Home / 608,124,613.20-912,186,919.80-531,597,109.20

Finding the Fourth Proportional to 608,124,613.20, 912,186,919.80 and 531,597,109.20

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Solution

The fourth proportional to 608,124,613.20, 912,186,919.80 and 531,597,109.20 is: 797,395,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,124,613.20 : 912,186,919.80 = 531,597,109.20 : x
  2. Step 2: Convert to fraction form
    608,124,613.20/912,186,919.80 = 531,597,109.20/x
  3. Step 3: Cross multiply
    608,124,613.20x = 912,186,919.80 × 531,597,109.20
  4. Step 4: Simplify right side
    608,124,613.20x = 484,915,929,615,732,224
  5. Step 5: Solve for x
    x = 484,915,929,615,732,224/608,124,613.20
  6. Step 6: Final answer
    x = 797,395,663.80

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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.