Home / 1,325,339,641.18-1,828,974,248.22-730,611,071.16

Finding the Fourth Proportional to 1,325,339,641.18, 1,828,974,248.22 and 730,611,071.16

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Solution

The fourth proportional to 1,325,339,641.18, 1,828,974,248.22 and 730,611,071.16 is: 1,008,246,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,339,641.18 : 1,828,974,248.22 = 730,611,071.16 : x
  2. Step 2: Convert to fraction form
    1,325,339,641.18/1,828,974,248.22 = 730,611,071.16/x
  3. Step 3: Cross multiply
    1,325,339,641.18x = 1,828,974,248.22 × 730,611,071.16
  4. Step 4: Simplify right side
    1,325,339,641.18x = 1,336,268,834,616,069,888
  5. Step 5: Solve for x
    x = 1,336,268,834,616,069,888/1,325,339,641.18
  6. Step 6: Final answer
    x = 1,008,246,334.07

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Double scale
Find fourth proportional to 1,325,339,642.18, 1,828,974,249.60 and 730,611,072.16
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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.