Home / 575,210,400.30-862,815,600.45-479,551,020.30

Finding the Fourth Proportional to 575,210,400.30, 862,815,600.45 and 479,551,020.30

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Solution

The fourth proportional to 575,210,400.30, 862,815,600.45 and 479,551,020.30 is: 719,326,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,210,400.30 : 862,815,600.45 = 479,551,020.30 : x
  2. Step 2: Convert to fraction form
    575,210,400.30/862,815,600.45 = 479,551,020.30/x
  3. Step 3: Cross multiply
    575,210,400.30x = 862,815,600.45 × 479,551,020.30
  4. Step 4: Simplify right side
    575,210,400.30x = 413,764,101,526,554,688
  5. Step 5: Solve for x
    x = 413,764,101,526,554,688/575,210,400.30
  6. Step 6: Final answer
    x = 719,326,530.45

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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.