Home / 916,103,612.20-1,373,259,623.10-819,357,730.60

Finding the Fourth Proportional to 916,103,612.20, 1,373,259,623.10 and 819,357,730.60

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Solution

The fourth proportional to 916,103,612.20, 1,373,259,623.10 and 819,357,730.60 is: 1,228,235,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,103,612.20 : 1,373,259,623.10 = 819,357,730.60 : x
  2. Step 2: Convert to fraction form
    916,103,612.20/1,373,259,623.10 = 819,357,730.60/x
  3. Step 3: Cross multiply
    916,103,612.20x = 1,373,259,623.10 × 819,357,730.60
  4. Step 4: Simplify right side
    916,103,612.20x = 1,125,190,888,307,827,328
  5. Step 5: Solve for x
    x = 1,125,190,888,307,827,328/916,103,612.20
  6. Step 6: Final answer
    x = 1,228,235,401.89

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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.