Home / 661,170,396.18-912,387,748.05-359,756,952.42

Finding the Fourth Proportional to 661,170,396.18, 912,387,748.05 and 359,756,952.42

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Solution

The fourth proportional to 661,170,396.18, 912,387,748.05 and 359,756,952.42 is: 496,449,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,170,396.18 : 912,387,748.05 = 359,756,952.42 : x
  2. Step 2: Convert to fraction form
    661,170,396.18/912,387,748.05 = 359,756,952.42/x
  3. Step 3: Cross multiply
    661,170,396.18x = 912,387,748.05 × 359,756,952.42
  4. Step 4: Simplify right side
    661,170,396.18x = 328,237,835,663,814,784
  5. Step 5: Solve for x
    x = 328,237,835,663,814,784/661,170,396.18
  6. Step 6: Final answer
    x = 496,449,686.13

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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.