Home / 31,217,955,387.81-43,079,663,777.99-17,669,301,653.19

Finding the Fourth Proportional to 31,217,955,387.81, 43,079,663,777.99 and 17,669,301,653.19

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Solution

The fourth proportional to 31,217,955,387.81, 43,079,663,777.99 and 17,669,301,653.19 is: 24,383,005,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217,955,387.81 : 43,079,663,777.99 = 17,669,301,653.19 : x
  2. Step 2: Convert to fraction form
    31,217,955,387.81/43,079,663,777.99 = 17,669,301,653.19/x
  3. Step 3: Cross multiply
    31,217,955,387.81x = 43,079,663,777.99 × 17,669,301,653.19
  4. Step 4: Simplify right side
    31,217,955,387.81x = 761,187,574,411,307,909,120
  5. Step 5: Solve for x
    x = 761,187,574,411,307,909,120/31,217,955,387.81
  6. Step 6: Final answer
    x = 24,383,005,387.62

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Double scale
Find fourth proportional to 31,217,955,388.81, 43,079,663,779.37 and 17,669,301,654.19
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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.