Home / 39,156,569,886.24-54,036,074,219.40-21,335,227,392.24

Finding the Fourth Proportional to 39,156,569,886.24, 54,036,074,219.40 and 21,335,227,392.24

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Solution

The fourth proportional to 39,156,569,886.24, 54,036,074,219.40 and 21,335,227,392.24 is: 29,442,618,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,156,569,886.24 : 54,036,074,219.40 = 21,335,227,392.24 : x
  2. Step 2: Convert to fraction form
    39,156,569,886.24/54,036,074,219.40 = 21,335,227,392.24/x
  3. Step 3: Cross multiply
    39,156,569,886.24x = 54,036,074,219.40 × 21,335,227,392.24
  4. Step 4: Simplify right side
    39,156,569,886.24x = 1,152,871,930,854,856,720,384
  5. Step 5: Solve for x
    x = 1,152,871,930,854,856,720,384/39,156,569,886.24
  6. Step 6: Final answer
    x = 29,442,618,038.41

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Double scale
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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.