Home / 549,632,215.95-758,488,920.24-314,728,277.33

Finding the Fourth Proportional to 549,632,215.95, 758,488,920.24 and 314,728,277.33

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Solution

The fourth proportional to 549,632,215.95, 758,488,920.24 and 314,728,277.33 is: 434,322,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,632,215.95 : 758,488,920.24 = 314,728,277.33 : x
  2. Step 2: Convert to fraction form
    549,632,215.95/758,488,920.24 = 314,728,277.33/x
  3. Step 3: Cross multiply
    549,632,215.95x = 758,488,920.24 × 314,728,277.33
  4. Step 4: Simplify right side
    549,632,215.95x = 238,717,911,239,320,800
  5. Step 5: Solve for x
    x = 238,717,911,239,320,800/549,632,215.95
  6. Step 6: Final answer
    x = 434,322,996.92

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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.