Home / 2,931,423,836.11-4,397,132,954.81-750,386,472.91

Finding the Fourth Proportional to 2,931,423,836.11, 4,397,132,954.81 and 750,386,472.91

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Solution

The fourth proportional to 2,931,423,836.11, 4,397,132,954.81 and 750,386,472.91 is: 1,125,578,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,423,836.11 : 4,397,132,954.81 = 750,386,472.91 : x
  2. Step 2: Convert to fraction form
    2,931,423,836.11/4,397,132,954.81 = 750,386,472.91/x
  3. Step 3: Cross multiply
    2,931,423,836.11x = 4,397,132,954.81 × 750,386,472.91
  4. Step 4: Simplify right side
    2,931,423,836.11x = 3,299,549,088,876,202,496
  5. Step 5: Solve for x
    x = 3,299,549,088,876,202,496/2,931,423,836.11
  6. Step 6: Final answer
    x = 1,125,578,992.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.