Home / 670,356,000.10-1,005,534,000.15-185,681,808.10

Finding the Fourth Proportional to 670,356,000.10, 1,005,534,000.15 and 185,681,808.10

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Solution

The fourth proportional to 670,356,000.10, 1,005,534,000.15 and 185,681,808.10 is: 278,522,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,356,000.10 : 1,005,534,000.15 = 185,681,808.10 : x
  2. Step 2: Convert to fraction form
    670,356,000.10/1,005,534,000.15 = 185,681,808.10/x
  3. Step 3: Cross multiply
    670,356,000.10x = 1,005,534,000.15 × 185,681,808.10
  4. Step 4: Simplify right side
    670,356,000.10x = 186,709,371,253,877,664
  5. Step 5: Solve for x
    x = 186,709,371,253,877,664/670,356,000.10
  6. Step 6: Final answer
    x = 278,522,712.15

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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.