Home / 768,746,657.20-1,153,008,011.40-223,431,329.20

Finding the Fourth Proportional to 768,746,657.20, 1,153,008,011.40 and 223,431,329.20

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Solution

The fourth proportional to 768,746,657.20, 1,153,008,011.40 and 223,431,329.20 is: 335,114,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,746,657.20 : 1,153,008,011.40 = 223,431,329.20 : x
  2. Step 2: Convert to fraction form
    768,746,657.20/1,153,008,011.40 = 223,431,329.20/x
  3. Step 3: Cross multiply
    768,746,657.20x = 1,153,008,011.40 × 223,431,329.20
  4. Step 4: Simplify right side
    768,746,657.20x = 257,618,112,565,350,752
  5. Step 5: Solve for x
    x = 257,618,112,565,350,752/768,746,657.20
  6. Step 6: Final answer
    x = 335,114,449.15

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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.