Home / 29,033,547,067.34-40,060,976,178.09-16,172,866,978.87

Finding the Fourth Proportional to 29,033,547,067.34, 40,060,976,178.09 and 16,172,866,978.87

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Solution

The fourth proportional to 29,033,547,067.34, 40,060,976,178.09 and 16,172,866,978.87 is: 22,315,593,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,033,547,067.34 : 40,060,976,178.09 = 16,172,866,978.87 : x
  2. Step 2: Convert to fraction form
    29,033,547,067.34/40,060,976,178.09 = 16,172,866,978.87/x
  3. Step 3: Cross multiply
    29,033,547,067.34x = 40,060,976,178.09 × 16,172,866,978.87
  4. Step 4: Simplify right side
    29,033,547,067.34x = 647,900,838,771,777,732,608
  5. Step 5: Solve for x
    x = 647,900,838,771,777,732,608/29,033,547,067.34
  6. Step 6: Final answer
    x = 22,315,593,656.85

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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.