Home / 971,328,898.66-1,340,417,140.41-547,943,475.46

Finding the Fourth Proportional to 971,328,898.66, 1,340,417,140.41 and 547,943,475.46

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Solution

The fourth proportional to 971,328,898.66, 1,340,417,140.41 and 547,943,475.46 is: 756,152,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,328,898.66 : 1,340,417,140.41 = 547,943,475.46 : x
  2. Step 2: Convert to fraction form
    971,328,898.66/1,340,417,140.41 = 547,943,475.46/x
  3. Step 3: Cross multiply
    971,328,898.66x = 1,340,417,140.41 × 547,943,475.46
  4. Step 4: Simplify right side
    971,328,898.66x = 734,472,826,482,410,368
  5. Step 5: Solve for x
    x = 734,472,826,482,410,368/971,328,898.66
  6. Step 6: Final answer
    x = 756,152,552.96

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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.