Home / 372,983,644.80-559,475,467.20-291,354,307.20

Finding the Fourth Proportional to 372,983,644.80, 559,475,467.20 and 291,354,307.20

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Solution

The fourth proportional to 372,983,644.80, 559,475,467.20 and 291,354,307.20 is: 437,031,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,983,644.80 : 559,475,467.20 = 291,354,307.20 : x
  2. Step 2: Convert to fraction form
    372,983,644.80/559,475,467.20 = 291,354,307.20/x
  3. Step 3: Cross multiply
    372,983,644.80x = 559,475,467.20 × 291,354,307.20
  4. Step 4: Simplify right side
    372,983,644.80x = 163,005,587,141,452,320
  5. Step 5: Solve for x
    x = 163,005,587,141,452,320/372,983,644.80
  6. Step 6: Final answer
    x = 437,031,460.80

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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.