Home / 38,842,203,475.69-53,601,670,342.10-21,695,306,990.93

Finding the Fourth Proportional to 38,842,203,475.69, 53,601,670,342.10 and 21,695,306,990.93

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Solution

The fourth proportional to 38,842,203,475.69, 53,601,670,342.10 and 21,695,306,990.93 is: 29,939,205,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842,203,475.69 : 53,601,670,342.10 = 21,695,306,990.93 : x
  2. Step 2: Convert to fraction form
    38,842,203,475.69/53,601,670,342.10 = 21,695,306,990.93/x
  3. Step 3: Cross multiply
    38,842,203,475.69x = 53,601,670,342.10 × 21,695,306,990.93
  4. Step 4: Simplify right side
    38,842,203,475.69x = 1,162,904,693,298,445,287,424
  5. Step 5: Solve for x
    x = 1,162,904,693,298,445,287,424/38,842,203,475.69
  6. Step 6: Final answer
    x = 29,939,205,020.29

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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.