Home / 1,374,280,110.08-1,896,450,706.17-779,551,827.20

Finding the Fourth Proportional to 1,374,280,110.08, 1,896,450,706.17 and 779,551,827.20

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Solution

The fourth proportional to 1,374,280,110.08, 1,896,450,706.17 and 779,551,827.20 is: 1,075,749,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,280,110.08 : 1,896,450,706.17 = 779,551,827.20 : x
  2. Step 2: Convert to fraction form
    1,374,280,110.08/1,896,450,706.17 = 779,551,827.20/x
  3. Step 3: Cross multiply
    1,374,280,110.08x = 1,896,450,706.17 × 779,551,827.20
  4. Step 4: Simplify right side
    1,374,280,110.08x = 1,478,381,613,180,071,680
  5. Step 5: Solve for x
    x = 1,478,381,613,180,071,680/1,374,280,110.08
  6. Step 6: Final answer
    x = 1,075,749,843.38

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Half scale
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Double scale
Find fourth proportional to 1,374,280,111.08, 1,896,450,707.55 and 779,551,828.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.