Home / 549,632,218.71-758,488,924.03-314,728,280.09

Finding the Fourth Proportional to 549,632,218.71, 758,488,924.03 and 314,728,280.09

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Solution

The fourth proportional to 549,632,218.71, 758,488,924.03 and 314,728,280.09 is: 434,323,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,632,218.71 : 758,488,924.03 = 314,728,280.09 : x
  2. Step 2: Convert to fraction form
    549,632,218.71/758,488,924.03 = 314,728,280.09/x
  3. Step 3: Cross multiply
    549,632,218.71x = 758,488,924.03 × 314,728,280.09
  4. Step 4: Simplify right side
    549,632,218.71x = 238,717,914,521,910,464
  5. Step 5: Solve for x
    x = 238,717,914,521,910,464/549,632,218.71
  6. Step 6: Final answer
    x = 434,323,000.72

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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.