Home / 406,295,139.15-560,690,586.95-220,657,483.44

Finding the Fourth Proportional to 406,295,139.15, 560,690,586.95 and 220,657,483.44

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Solution

The fourth proportional to 406,295,139.15, 560,690,586.95 and 220,657,483.44 is: 304,509,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,295,139.15 : 560,690,586.95 = 220,657,483.44 : x
  2. Step 2: Convert to fraction form
    406,295,139.15/560,690,586.95 = 220,657,483.44/x
  3. Step 3: Cross multiply
    406,295,139.15x = 560,690,586.95 × 220,657,483.44
  4. Step 4: Simplify right side
    406,295,139.15x = 123,720,573,903,780,224
  5. Step 5: Solve for x
    x = 123,720,573,903,780,224/406,295,139.15
  6. Step 6: Final answer
    x = 304,509,116.61

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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.