Home / 39,701,928,981.60-59,552,893,472.40-39,426,429,967.20

Finding the Fourth Proportional to 39,701,928,981.60, 59,552,893,472.40 and 39,426,429,967.20

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Solution

The fourth proportional to 39,701,928,981.60, 59,552,893,472.40 and 39,426,429,967.20 is: 59,139,644,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,701,928,981.60 : 59,552,893,472.40 = 39,426,429,967.20 : x
  2. Step 2: Convert to fraction form
    39,701,928,981.60/59,552,893,472.40 = 39,426,429,967.20/x
  3. Step 3: Cross multiply
    39,701,928,981.60x = 59,552,893,472.40 × 39,426,429,967.20
  4. Step 4: Simplify right side
    39,701,928,981.60x = 2,347,957,983,833,700,433,920
  5. Step 5: Solve for x
    x = 2,347,957,983,833,700,433,920/39,701,928,981.60
  6. Step 6: Final answer
    x = 59,139,644,950.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.