Home / 5,166,528,142.92-7,127,572,268.16-3,159,451,019.40

Finding the Fourth Proportional to 5,166,528,142.92, 7,127,572,268.16 and 3,159,451,019.40

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Solution

The fourth proportional to 5,166,528,142.92, 7,127,572,268.16 and 3,159,451,019.40 is: 4,358,674,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166,528,142.92 : 7,127,572,268.16 = 3,159,451,019.40 : x
  2. Step 2: Convert to fraction form
    5,166,528,142.92/7,127,572,268.16 = 3,159,451,019.40/x
  3. Step 3: Cross multiply
    5,166,528,142.92x = 7,127,572,268.16 × 3,159,451,019.40
  4. Step 4: Simplify right side
    5,166,528,142.92x = 22,519,215,468,485,283,840
  5. Step 5: Solve for x
    x = 22,519,215,468,485,283,840/5,166,528,142.92
  6. Step 6: Final answer
    x = 4,358,674,693.25

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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.