Home / 10,348,992,005.10-15,523,488,007.65-7,900,111,877.10

Finding the Fourth Proportional to 10,348,992,005.10, 15,523,488,007.65 and 7,900,111,877.10

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Solution

The fourth proportional to 10,348,992,005.10, 15,523,488,007.65 and 7,900,111,877.10 is: 11,850,167,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348,992,005.10 : 15,523,488,007.65 = 7,900,111,877.10 : x
  2. Step 2: Convert to fraction form
    10,348,992,005.10/15,523,488,007.65 = 7,900,111,877.10/x
  3. Step 3: Cross multiply
    10,348,992,005.10x = 15,523,488,007.65 × 7,900,111,877.10
  4. Step 4: Simplify right side
    10,348,992,005.10x = 122,637,291,983,255,191,552
  5. Step 5: Solve for x
    x = 122,637,291,983,255,191,552/10,348,992,005.10
  6. Step 6: Final answer
    x = 11,850,167,815.65

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Double scale
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Similar ratio
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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.