Home / 367,921,144.80-551,881,717.20-286,291,807.20

Finding the Fourth Proportional to 367,921,144.80, 551,881,717.20 and 286,291,807.20

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Solution

The fourth proportional to 367,921,144.80, 551,881,717.20 and 286,291,807.20 is: 429,437,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,921,144.80 : 551,881,717.20 = 286,291,807.20 : x
  2. Step 2: Convert to fraction form
    367,921,144.80/551,881,717.20 = 286,291,807.20/x
  3. Step 3: Cross multiply
    367,921,144.80x = 551,881,717.20 × 286,291,807.20
  4. Step 4: Simplify right side
    367,921,144.80x = 157,999,214,177,827,328
  5. Step 5: Solve for x
    x = 157,999,214,177,827,328/367,921,144.80
  6. Step 6: Final answer
    x = 429,437,710.80

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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.