Home / 1,536,841,155.60-2,124,415,145.88-1,371,218,945.76

Finding the Fourth Proportional to 1,536,841,155.60, 2,124,415,145.88 and 1,371,218,945.76

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Solution

The fourth proportional to 1,536,841,155.60, 2,124,415,145.88 and 1,371,218,945.76 is: 1,895,471,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,841,155.60 : 2,124,415,145.88 = 1,371,218,945.76 : x
  2. Step 2: Convert to fraction form
    1,536,841,155.60/2,124,415,145.88 = 1,371,218,945.76/x
  3. Step 3: Cross multiply
    1,536,841,155.60x = 2,124,415,145.88 × 1,371,218,945.76
  4. Step 4: Simplify right side
    1,536,841,155.60x = 2,913,038,296,690,150,400
  5. Step 5: Solve for x
    x = 2,913,038,296,690,150,400/1,536,841,155.60
  6. Step 6: Final answer
    x = 1,895,471,295.83

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Double scale
Find fourth proportional to 1,536,841,156.60, 2,124,415,147.26 and 1,371,218,946.76
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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.