Home / 31,167,155,301.89-43,009,522,042.51-16,893,676,470.75

Finding the Fourth Proportional to 31,167,155,301.89, 43,009,522,042.51 and 16,893,676,470.75

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Solution

The fourth proportional to 31,167,155,301.89, 43,009,522,042.51 and 16,893,676,470.75 is: 23,312,648,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,167,155,301.89 : 43,009,522,042.51 = 16,893,676,470.75 : x
  2. Step 2: Convert to fraction form
    31,167,155,301.89/43,009,522,042.51 = 16,893,676,470.75/x
  3. Step 3: Cross multiply
    31,167,155,301.89x = 43,009,522,042.51 × 16,893,676,470.75
  4. Step 4: Simplify right side
    31,167,155,301.89x = 726,588,950,547,573,506,048
  5. Step 5: Solve for x
    x = 726,588,950,547,573,506,048/31,167,155,301.89
  6. Step 6: Final answer
    x = 23,312,648,957.21

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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.