Home / 869,015,206.45-1,199,247,223.50-472,535,354.93

Finding the Fourth Proportional to 869,015,206.45, 1,199,247,223.50 and 472,535,354.93

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Solution

The fourth proportional to 869,015,206.45, 1,199,247,223.50 and 472,535,354.93 is: 652,102,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,015,206.45 : 1,199,247,223.50 = 472,535,354.93 : x
  2. Step 2: Convert to fraction form
    869,015,206.45/1,199,247,223.50 = 472,535,354.93/x
  3. Step 3: Cross multiply
    869,015,206.45x = 1,199,247,223.50 × 472,535,354.93
  4. Step 4: Simplify right side
    869,015,206.45x = 566,686,712,407,206,272
  5. Step 5: Solve for x
    x = 566,686,712,407,206,272/869,015,206.45
  6. Step 6: Final answer
    x = 652,102,182.11

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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.