Home / 15,727,157,976.83-21,703,331,330.30-8,590,569,057.59

Finding the Fourth Proportional to 15,727,157,976.83, 21,703,331,330.30 and 8,590,569,057.59

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Solution

The fourth proportional to 15,727,157,976.83, 21,703,331,330.30 and 8,590,569,057.59 is: 11,854,905,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727,157,976.83 : 21,703,331,330.30 = 8,590,569,057.59 : x
  2. Step 2: Convert to fraction form
    15,727,157,976.83/21,703,331,330.30 = 8,590,569,057.59/x
  3. Step 3: Cross multiply
    15,727,157,976.83x = 21,703,331,330.30 × 8,590,569,057.59
  4. Step 4: Simplify right side
    15,727,157,976.83x = 186,443,966,572,607,406,080
  5. Step 5: Solve for x
    x = 186,443,966,572,607,406,080/15,727,157,976.83
  6. Step 6: Final answer
    x = 11,854,905,180.41

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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.