Home / 784,095,207.53-1,082,012,465.03-431,663,631.42

Finding the Fourth Proportional to 784,095,207.53, 1,082,012,465.03 and 431,663,631.42

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Solution

The fourth proportional to 784,095,207.53, 1,082,012,465.03 and 431,663,631.42 is: 595,674,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,095,207.53 : 1,082,012,465.03 = 431,663,631.42 : x
  2. Step 2: Convert to fraction form
    784,095,207.53/1,082,012,465.03 = 431,663,631.42/x
  3. Step 3: Cross multiply
    784,095,207.53x = 1,082,012,465.03 × 431,663,631.42
  4. Step 4: Simplify right side
    784,095,207.53x = 467,065,429,894,397,312
  5. Step 5: Solve for x
    x = 467,065,429,894,397,312/784,095,207.53
  6. Step 6: Final answer
    x = 595,674,384.20

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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.