Home / 10,912,298,639.40-16,368,447,959.10-4,708,468,981.80

Finding the Fourth Proportional to 10,912,298,639.40, 16,368,447,959.10 and 4,708,468,981.80

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Solution

The fourth proportional to 10,912,298,639.40, 16,368,447,959.10 and 4,708,468,981.80 is: 7,062,703,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912,298,639.40 : 16,368,447,959.10 = 4,708,468,981.80 : x
  2. Step 2: Convert to fraction form
    10,912,298,639.40/16,368,447,959.10 = 4,708,468,981.80/x
  3. Step 3: Cross multiply
    10,912,298,639.40x = 16,368,447,959.10 × 4,708,468,981.80
  4. Step 4: Simplify right side
    10,912,298,639.40x = 77,070,329,495,629,873,152
  5. Step 5: Solve for x
    x = 77,070,329,495,629,873,152/10,912,298,639.40
  6. Step 6: Final answer
    x = 7,062,703,472.70

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Double scale
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1.5x scale

Why These Related Problems?

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