Home / 956,655,631.20-1,320,184,763.28-516,622,444.32

Finding the Fourth Proportional to 956,655,631.20, 1,320,184,763.28 and 516,622,444.32

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Solution

The fourth proportional to 956,655,631.20, 1,320,184,763.28 and 516,622,444.32 is: 712,938,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,655,631.20 : 1,320,184,763.28 = 516,622,444.32 : x
  2. Step 2: Convert to fraction form
    956,655,631.20/1,320,184,763.28 = 516,622,444.32/x
  3. Step 3: Cross multiply
    956,655,631.20x = 1,320,184,763.28 × 516,622,444.32
  4. Step 4: Simplify right side
    956,655,631.20x = 682,037,079,359,734,144
  5. Step 5: Solve for x
    x = 682,037,079,359,734,144/956,655,631.20
  6. Step 6: Final answer
    x = 712,938,968.96

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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.