Home / 768,746,671.20-1,153,008,032.40-223,431,343.20

Finding the Fourth Proportional to 768,746,671.20, 1,153,008,032.40 and 223,431,343.20

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Solution

The fourth proportional to 768,746,671.20, 1,153,008,032.40 and 223,431,343.20 is: 335,114,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,746,671.20 : 1,153,008,032.40 = 223,431,343.20 : x
  2. Step 2: Convert to fraction form
    768,746,671.20/1,153,008,032.40 = 223,431,343.20/x
  3. Step 3: Cross multiply
    768,746,671.20x = 1,153,008,032.40 × 223,431,343.20
  4. Step 4: Simplify right side
    768,746,671.20x = 257,618,133,399,521,120
  5. Step 5: Solve for x
    x = 257,618,133,399,521,120/768,746,671.20
  6. Step 6: Final answer
    x = 335,114,470.15

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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.