Home / 28,615,648,325.29-42,929,874,006.29-8,720,092,853.83

Finding the Fourth Proportional to 28,615,648,325.29, 42,929,874,006.29 and 8,720,092,853.83

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Solution

The fourth proportional to 28,615,648,325.29, 42,929,874,006.29 and 8,720,092,853.83 is: 13,082,090,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615,648,325.29 : 42,929,874,006.29 = 8,720,092,853.83 : x
  2. Step 2: Convert to fraction form
    28,615,648,325.29/42,929,874,006.29 = 8,720,092,853.83/x
  3. Step 3: Cross multiply
    28,615,648,325.29x = 42,929,874,006.29 × 8,720,092,853.83
  4. Step 4: Simplify right side
    28,615,648,325.29x = 374,352,487,538,114,363,392
  5. Step 5: Solve for x
    x = 374,352,487,538,114,363,392/28,615,648,325.29
  6. Step 6: Final answer
    x = 13,082,090,025.80

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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.