Home / 31,084,722,042.12-42,896,916,428.04-16,811,549,569.08

Finding the Fourth Proportional to 31,084,722,042.12, 42,896,916,428.04 and 16,811,549,569.08

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Solution

The fourth proportional to 31,084,722,042.12, 42,896,916,428.04 and 16,811,549,569.08 is: 23,199,938,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,084,722,042.12 : 42,896,916,428.04 = 16,811,549,569.08 : x
  2. Step 2: Convert to fraction form
    31,084,722,042.12/42,896,916,428.04 = 16,811,549,569.08/x
  3. Step 3: Cross multiply
    31,084,722,042.12x = 42,896,916,428.04 × 16,811,549,569.08
  4. Step 4: Simplify right side
    31,084,722,042.12x = 721,163,636,890,676,625,408
  5. Step 5: Solve for x
    x = 721,163,636,890,676,625,408/31,084,722,042.12
  6. Step 6: Final answer
    x = 23,199,938,410.69

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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.