Home / 1,638,724,667.84-2,261,646,622.14-1,074,683,895.92

Finding the Fourth Proportional to 1,638,724,667.84, 2,261,646,622.14 and 1,074,683,895.92

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Solution

The fourth proportional to 1,638,724,667.84, 2,261,646,622.14 and 1,074,683,895.92 is: 1,483,199,252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,724,667.84 : 2,261,646,622.14 = 1,074,683,895.92 : x
  2. Step 2: Convert to fraction form
    1,638,724,667.84/2,261,646,622.14 = 1,074,683,895.92/x
  3. Step 3: Cross multiply
    1,638,724,667.84x = 2,261,646,622.14 × 1,074,683,895.92
  4. Step 4: Simplify right side
    1,638,724,667.84x = 2,430,555,203,075,723,264
  5. Step 5: Solve for x
    x = 2,430,555,203,075,723,264/1,638,724,667.84
  6. Step 6: Final answer
    x = 1,483,199,252.92

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Double scale
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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.