Home / 637,632,154.40-956,448,231.60-177,641,319.20

Finding the Fourth Proportional to 637,632,154.40, 956,448,231.60 and 177,641,319.20

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Solution

The fourth proportional to 637,632,154.40, 956,448,231.60 and 177,641,319.20 is: 266,461,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,632,154.40 : 956,448,231.60 = 177,641,319.20 : x
  2. Step 2: Convert to fraction form
    637,632,154.40/956,448,231.60 = 177,641,319.20/x
  3. Step 3: Cross multiply
    637,632,154.40x = 956,448,231.60 × 177,641,319.20
  4. Step 4: Simplify right side
    637,632,154.40x = 169,904,725,607,931,104
  5. Step 5: Solve for x
    x = 169,904,725,607,931,104/637,632,154.40
  6. Step 6: Final answer
    x = 266,461,978.80

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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.