Home / 387,990,873.41-581,980,829.43-180,613,295.00

Finding the Fourth Proportional to 387,990,873.41, 581,980,829.43 and 180,613,295.00

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Solution

The fourth proportional to 387,990,873.41, 581,980,829.43 and 180,613,295.00 is: 270,917,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,990,873.41 : 581,980,829.43 = 180,613,295.00 : x
  2. Step 2: Convert to fraction form
    387,990,873.41/581,980,829.43 = 180,613,295.00/x
  3. Step 3: Cross multiply
    387,990,873.41x = 581,980,829.43 × 180,613,295.00
  4. Step 4: Simplify right side
    387,990,873.41x = 105,113,475,227,275,360
  5. Step 5: Solve for x
    x = 105,113,475,227,275,360/387,990,873.41
  6. Step 6: Final answer
    x = 270,917,391.18

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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.