Home / 12,884,837,854.68-17,780,797,543.92-7,459,602,248.88

Finding the Fourth Proportional to 12,884,837,854.68, 17,780,797,543.92 and 7,459,602,248.88

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Solution

The fourth proportional to 12,884,837,854.68, 17,780,797,543.92 and 7,459,602,248.88 is: 10,294,089,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,837,854.68 : 17,780,797,543.92 = 7,459,602,248.88 : x
  2. Step 2: Convert to fraction form
    12,884,837,854.68/17,780,797,543.92 = 7,459,602,248.88/x
  3. Step 3: Cross multiply
    12,884,837,854.68x = 17,780,797,543.92 × 7,459,602,248.88
  4. Step 4: Simplify right side
    12,884,837,854.68x = 132,637,677,345,505,607,680
  5. Step 5: Solve for x
    x = 132,637,677,345,505,607,680/12,884,837,854.68
  6. Step 6: Final answer
    x = 10,294,089,754.29

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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.