Home / 768,012,289.25-1,059,858,801.50-415,592,061.64

Finding the Fourth Proportional to 768,012,289.25, 1,059,858,801.50 and 415,592,061.64

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Solution

The fourth proportional to 768,012,289.25, 1,059,858,801.50 and 415,592,061.64 is: 573,518,042.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,012,289.25 : 1,059,858,801.50 = 415,592,061.64 : x
  2. Step 2: Convert to fraction form
    768,012,289.25/1,059,858,801.50 = 415,592,061.64/x
  3. Step 3: Cross multiply
    768,012,289.25x = 1,059,858,801.50 × 415,592,061.64
  4. Step 4: Simplify right side
    768,012,289.25x = 440,468,904,357,956,928
  5. Step 5: Solve for x
    x = 440,468,904,357,956,928/768,012,289.25
  6. Step 6: Final answer
    x = 573,518,042.00

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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.