Home / 768,746,675.70-1,153,008,039.15-223,431,347.70

Finding the Fourth Proportional to 768,746,675.70, 1,153,008,039.15 and 223,431,347.70

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Solution

The fourth proportional to 768,746,675.70, 1,153,008,039.15 and 223,431,347.70 is: 335,114,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,746,675.70 : 1,153,008,039.15 = 223,431,347.70 : x
  2. Step 2: Convert to fraction form
    768,746,675.70/1,153,008,039.15 = 223,431,347.70/x
  3. Step 3: Cross multiply
    768,746,675.70x = 1,153,008,039.15 × 223,431,347.70
  4. Step 4: Simplify right side
    768,746,675.70x = 257,618,140,096,218,880
  5. Step 5: Solve for x
    x = 257,618,140,096,218,880/768,746,675.70
  6. Step 6: Final answer
    x = 335,114,476.90

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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.