Home / 15,553,101,934.32-21,460,971,789.28-9,446,276,616.72

Finding the Fourth Proportional to 15,553,101,934.32, 21,460,971,789.28 and 9,446,276,616.72

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Solution

The fourth proportional to 15,553,101,934.32, 21,460,971,789.28 and 9,446,276,616.72 is: 13,034,459,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553,101,934.32 : 21,460,971,789.28 = 9,446,276,616.72 : x
  2. Step 2: Convert to fraction form
    15,553,101,934.32/21,460,971,789.28 = 9,446,276,616.72/x
  3. Step 3: Cross multiply
    15,553,101,934.32x = 21,460,971,789.28 × 9,446,276,616.72
  4. Step 4: Simplify right side
    15,553,101,934.32x = 202,726,275,985,163,223,040
  5. Step 5: Solve for x
    x = 202,726,275,985,163,223,040/15,553,101,934.32
  6. Step 6: Final answer
    x = 13,034,459,417.89

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Double scale
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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.