Home / 890,156,365.04-1,228,253,357.86-513,675,607.32

Finding the Fourth Proportional to 890,156,365.04, 1,228,253,357.86 and 513,675,607.32

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Solution

The fourth proportional to 890,156,365.04, 1,228,253,357.86 and 513,675,607.32 is: 708,778,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,156,365.04 : 1,228,253,357.86 = 513,675,607.32 : x
  2. Step 2: Convert to fraction form
    890,156,365.04/1,228,253,357.86 = 513,675,607.32/x
  3. Step 3: Cross multiply
    890,156,365.04x = 1,228,253,357.86 × 513,675,607.32
  4. Step 4: Simplify right side
    890,156,365.04x = 630,923,789,541,564,672
  5. Step 5: Solve for x
    x = 630,923,789,541,564,672/890,156,365.04
  6. Step 6: Final answer
    x = 708,778,608.25

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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.