Home / 506,658,971.13-698,828,861.07-464,977,665.15

Finding the Fourth Proportional to 506,658,971.13, 698,828,861.07 and 464,977,665.15

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Solution

The fourth proportional to 506,658,971.13, 698,828,861.07 and 464,977,665.15 is: 641,338,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,658,971.13 : 698,828,861.07 = 464,977,665.15 : x
  2. Step 2: Convert to fraction form
    506,658,971.13/698,828,861.07 = 464,977,665.15/x
  3. Step 3: Cross multiply
    506,658,971.13x = 698,828,861.07 × 464,977,665.15
  4. Step 4: Simplify right side
    506,658,971.13x = 324,939,812,159,762,368
  5. Step 5: Solve for x
    x = 324,939,812,159,762,368/506,658,971.13
  6. Step 6: Final answer
    x = 641,338,317.64

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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.