Home / 549,632,219.71-758,488,925.40-314,728,281.09

Finding the Fourth Proportional to 549,632,219.71, 758,488,925.40 and 314,728,281.09

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Solution

The fourth proportional to 549,632,219.71, 758,488,925.40 and 314,728,281.09 is: 434,323,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,632,219.71 : 758,488,925.40 = 314,728,281.09 : x
  2. Step 2: Convert to fraction form
    549,632,219.71/758,488,925.40 = 314,728,281.09/x
  3. Step 3: Cross multiply
    549,632,219.71x = 758,488,925.40 × 314,728,281.09
  4. Step 4: Simplify right side
    549,632,219.71x = 238,717,915,716,943,200
  5. Step 5: Solve for x
    x = 238,717,915,716,943,200/549,632,219.71
  6. Step 6: Final answer
    x = 434,323,002.10

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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.