Home / 21,311,000,374.74-29,407,168,789.29-12,735,719,789.82

Finding the Fourth Proportional to 21,311,000,374.74, 29,407,168,789.29 and 12,735,719,789.82

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Solution

The fourth proportional to 21,311,000,374.74, 29,407,168,789.29 and 12,735,719,789.82 is: 17,574,091,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,311,000,374.74 : 29,407,168,789.29 = 12,735,719,789.82 : x
  2. Step 2: Convert to fraction form
    21,311,000,374.74/29,407,168,789.29 = 12,735,719,789.82/x
  3. Step 3: Cross multiply
    21,311,000,374.74x = 29,407,168,789.29 × 12,735,719,789.82
  4. Step 4: Simplify right side
    21,311,000,374.74x = 374,521,461,512,337,686,528
  5. Step 5: Solve for x
    x = 374,521,461,512,337,686,528/21,311,000,374.74
  6. Step 6: Final answer
    x = 17,574,091,076.28

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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.