Home / 417,872,070.48-626,810,776.93-122,765,983.25

Finding the Fourth Proportional to 417,872,070.48, 626,810,776.93 and 122,765,983.25

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Solution

The fourth proportional to 417,872,070.48, 626,810,776.93 and 122,765,983.25 is: 184,149,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,872,070.48 : 626,810,776.93 = 122,765,983.25 : x
  2. Step 2: Convert to fraction form
    417,872,070.48/626,810,776.93 = 122,765,983.25/x
  3. Step 3: Cross multiply
    417,872,070.48x = 626,810,776.93 × 122,765,983.25
  4. Step 4: Simplify right side
    417,872,070.48x = 76,951,041,341,507,856
  5. Step 5: Solve for x
    x = 76,951,041,341,507,856/417,872,070.48
  6. Step 6: Final answer
    x = 184,149,759.65

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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.