Home / 971,328,898.16-1,340,417,139.72-547,943,474.96

Finding the Fourth Proportional to 971,328,898.16, 1,340,417,139.72 and 547,943,474.96

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Solution

The fourth proportional to 971,328,898.16, 1,340,417,139.72 and 547,943,474.96 is: 756,152,552.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,328,898.16 : 1,340,417,139.72 = 547,943,474.96 : x
  2. Step 2: Convert to fraction form
    971,328,898.16/1,340,417,139.72 = 547,943,474.96/x
  3. Step 3: Cross multiply
    971,328,898.16x = 1,340,417,139.72 × 547,943,474.96
  4. Step 4: Simplify right side
    971,328,898.16x = 734,472,825,434,120,704
  5. Step 5: Solve for x
    x = 734,472,825,434,120,704/971,328,898.16
  6. Step 6: Final answer
    x = 756,152,552.27

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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.