Home / 637,632,147.40-956,448,221.10-177,641,312.20

Finding the Fourth Proportional to 637,632,147.40, 956,448,221.10 and 177,641,312.20

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Solution

The fourth proportional to 637,632,147.40, 956,448,221.10 and 177,641,312.20 is: 266,461,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,632,147.40 : 956,448,221.10 = 177,641,312.20 : x
  2. Step 2: Convert to fraction form
    637,632,147.40/956,448,221.10 = 177,641,312.20/x
  3. Step 3: Cross multiply
    637,632,147.40x = 956,448,221.10 × 177,641,312.20
  4. Step 4: Simplify right side
    637,632,147.40x = 169,904,717,047,559,712
  5. Step 5: Solve for x
    x = 169,904,717,047,559,712/637,632,147.40
  6. Step 6: Final answer
    x = 266,461,968.30

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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.