Home / 807,405,309.76-1,114,219,155.36-436,127,344.96

Finding the Fourth Proportional to 807,405,309.76, 1,114,219,155.36 and 436,127,344.96

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Solution

The fourth proportional to 807,405,309.76, 1,114,219,155.36 and 436,127,344.96 is: 601,855,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,405,309.76 : 1,114,219,155.36 = 436,127,344.96 : x
  2. Step 2: Convert to fraction form
    807,405,309.76/1,114,219,155.36 = 436,127,344.96/x
  3. Step 3: Cross multiply
    807,405,309.76x = 1,114,219,155.36 × 436,127,344.96
  4. Step 4: Simplify right side
    807,405,309.76x = 485,941,441,930,730,496
  5. Step 5: Solve for x
    x = 485,941,441,930,730,496/807,405,309.76
  6. Step 6: Final answer
    x = 601,855,643.08

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1.5x scale

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.