Home / 357,319,374.30-535,979,061.45-127,295,963.10

Finding the Fourth Proportional to 357,319,374.30, 535,979,061.45 and 127,295,963.10

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Solution

The fourth proportional to 357,319,374.30, 535,979,061.45 and 127,295,963.10 is: 190,943,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,319,374.30 : 535,979,061.45 = 127,295,963.10 : x
  2. Step 2: Convert to fraction form
    357,319,374.30/535,979,061.45 = 127,295,963.10/x
  3. Step 3: Cross multiply
    357,319,374.30x = 535,979,061.45 × 127,295,963.10
  4. Step 4: Simplify right side
    357,319,374.30x = 68,227,970,828,711,824
  5. Step 5: Solve for x
    x = 68,227,970,828,711,824/357,319,374.30
  6. Step 6: Final answer
    x = 190,943,944.65

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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.