Home / 547,942,862.95-822,051,337.32-159,765,693.30

Finding the Fourth Proportional to 547,942,862.95, 822,051,337.32 and 159,765,693.30

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Solution

The fourth proportional to 547,942,862.95, 822,051,337.32 and 159,765,693.30 is: 239,688,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,942,862.95 : 822,051,337.32 = 159,765,693.30 : x
  2. Step 2: Convert to fraction form
    547,942,862.95/822,051,337.32 = 159,765,693.30/x
  3. Step 3: Cross multiply
    547,942,862.95x = 822,051,337.32 × 159,765,693.30
  4. Step 4: Simplify right side
    547,942,862.95x = 131,335,601,835,121,984
  5. Step 5: Solve for x
    x = 131,335,601,835,121,984/547,942,862.95
  6. Step 6: Final answer
    x = 239,688,498.05

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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.