Home / 1,120,344,860.40-1,680,767,136.36-344,068,862.64

Finding the Fourth Proportional to 1,120,344,860.40, 1,680,767,136.36 and 344,068,862.64

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Solution

The fourth proportional to 1,120,344,860.40, 1,680,767,136.36 and 344,068,862.64 is: 516,180,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,344,860.40 : 1,680,767,136.36 = 344,068,862.64 : x
  2. Step 2: Convert to fraction form
    1,120,344,860.40/1,680,767,136.36 = 344,068,862.64/x
  3. Step 3: Cross multiply
    1,120,344,860.40x = 1,680,767,136.36 × 344,068,862.64
  4. Step 4: Simplify right side
    1,120,344,860.40x = 578,299,636,970,074,880
  5. Step 5: Solve for x
    x = 578,299,636,970,074,880/1,120,344,860.40
  6. Step 6: Final answer
    x = 516,180,024.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.