Home / 2,931,423,835.11-4,397,132,953.31-750,386,471.91

Finding the Fourth Proportional to 2,931,423,835.11, 4,397,132,953.31 and 750,386,471.91

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Solution

The fourth proportional to 2,931,423,835.11, 4,397,132,953.31 and 750,386,471.91 is: 1,125,578,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,423,835.11 : 4,397,132,953.31 = 750,386,471.91 : x
  2. Step 2: Convert to fraction form
    2,931,423,835.11/4,397,132,953.31 = 750,386,471.91/x
  3. Step 3: Cross multiply
    2,931,423,835.11x = 4,397,132,953.31 × 750,386,471.91
  4. Step 4: Simplify right side
    2,931,423,835.11x = 3,299,549,083,349,737,984
  5. Step 5: Solve for x
    x = 3,299,549,083,349,737,984/2,931,423,835.11
  6. Step 6: Final answer
    x = 1,125,578,991.28

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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.