Home / 1,225,425,941.98-1,690,856,516.76-730,434,708.70

Finding the Fourth Proportional to 1,225,425,941.98, 1,690,856,516.76 and 730,434,708.70

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Solution

The fourth proportional to 1,225,425,941.98, 1,690,856,516.76 and 730,434,708.70 is: 1,007,862,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,425,941.98 : 1,690,856,516.76 = 730,434,708.70 : x
  2. Step 2: Convert to fraction form
    1,225,425,941.98/1,690,856,516.76 = 730,434,708.70/x
  3. Step 3: Cross multiply
    1,225,425,941.98x = 1,690,856,516.76 × 730,434,708.70
  4. Step 4: Simplify right side
    1,225,425,941.98x = 1,235,060,287,273,087,232
  5. Step 5: Solve for x
    x = 1,235,060,287,273,087,232/1,225,425,941.98
  6. Step 6: Final answer
    x = 1,007,862,037.98

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Half scale
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Double scale
Find fourth proportional to 1,225,425,942.98, 1,690,856,518.14 and 730,434,709.70
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1.5x scale

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.