Home / 268,688,275.83-402,612,509.75-186,966,821.79

Finding the Fourth Proportional to 268,688,275.83, 402,612,509.75 and 186,966,821.79

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Solution

The fourth proportional to 268,688,275.83, 402,612,509.75 and 186,966,821.79 is: 280,158,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,688,275.83 : 402,612,509.75 = 186,966,821.79 : x
  2. Step 2: Convert to fraction form
    268,688,275.83/402,612,509.75 = 186,966,821.79/x
  3. Step 3: Cross multiply
    268,688,275.83x = 402,612,509.75 × 186,966,821.79
  4. Step 4: Simplify right side
    268,688,275.83x = 75,275,181,359,918,048
  5. Step 5: Solve for x
    x = 75,275,181,359,918,048/268,688,275.83
  6. Step 6: Final answer
    x = 280,158,042.35

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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.