Home / 12,720,110,543.70-19,080,165,815.55-7,141,255,502.10

Finding the Fourth Proportional to 12,720,110,543.70, 19,080,165,815.55 and 7,141,255,502.10

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Solution

The fourth proportional to 12,720,110,543.70, 19,080,165,815.55 and 7,141,255,502.10 is: 10,711,883,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,720,110,543.70 : 19,080,165,815.55 = 7,141,255,502.10 : x
  2. Step 2: Convert to fraction form
    12,720,110,543.70/19,080,165,815.55 = 7,141,255,502.10/x
  3. Step 3: Cross multiply
    12,720,110,543.70x = 19,080,165,815.55 × 7,141,255,502.10
  4. Step 4: Simplify right side
    12,720,110,543.70x = 136,256,339,111,276,773,376
  5. Step 5: Solve for x
    x = 136,256,339,111,276,773,376/12,720,110,543.70
  6. Step 6: Final answer
    x = 10,711,883,253.15

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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.