Home / 472,129,352.30-651,527,000.42-260,431,547.76

Finding the Fourth Proportional to 472,129,352.30, 651,527,000.42 and 260,431,547.76

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Solution

The fourth proportional to 472,129,352.30, 651,527,000.42 and 260,431,547.76 is: 359,389,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,129,352.30 : 651,527,000.42 = 260,431,547.76 : x
  2. Step 2: Convert to fraction form
    472,129,352.30/651,527,000.42 = 260,431,547.76/x
  3. Step 3: Cross multiply
    472,129,352.30x = 651,527,000.42 × 260,431,547.76
  4. Step 4: Simplify right side
    472,129,352.30x = 169,678,185,125,508,608
  5. Step 5: Solve for x
    x = 169,678,185,125,508,608/472,129,352.30
  6. Step 6: Final answer
    x = 359,389,189.21

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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.