Home / 486,464,353.61-730,860,632.45-311,929,341.18

Finding the Fourth Proportional to 486,464,353.61, 730,860,632.45 and 311,929,341.18

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Solution

The fourth proportional to 486,464,353.61, 730,860,632.45 and 311,929,341.18 is: 468,640,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,464,353.61 : 730,860,632.45 = 311,929,341.18 : x
  2. Step 2: Convert to fraction form
    486,464,353.61/730,860,632.45 = 311,929,341.18/x
  3. Step 3: Cross multiply
    486,464,353.61x = 730,860,632.45 × 311,929,341.18
  4. Step 4: Simplify right side
    486,464,353.61x = 227,976,875,572,967,008
  5. Step 5: Solve for x
    x = 227,976,875,572,967,008/486,464,353.61
  6. Step 6: Final answer
    x = 468,640,454.09

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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.