Home / 549,955,937.23-758,959,149.93-315,051,997.39

Finding the Fourth Proportional to 549,955,937.23, 758,959,149.93 and 315,051,997.39

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Solution

The fourth proportional to 549,955,937.23, 758,959,149.93 and 315,051,997.39 is: 434,783,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,955,937.23 : 758,959,149.93 = 315,051,997.39 : x
  2. Step 2: Convert to fraction form
    549,955,937.23/758,959,149.93 = 315,051,997.39/x
  3. Step 3: Cross multiply
    549,955,937.23x = 758,959,149.93 × 315,051,997.39
  4. Step 4: Simplify right side
    549,955,937.23x = 239,111,596,119,068,160
  5. Step 5: Solve for x
    x = 239,111,596,119,068,160/549,955,937.23
  6. Step 6: Final answer
    x = 434,783,188.86

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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.