Home / 7,128,773,465.40-10,693,160,198.10-6,516,049,548.60

Finding the Fourth Proportional to 7,128,773,465.40, 10,693,160,198.10 and 6,516,049,548.60

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Solution

The fourth proportional to 7,128,773,465.40, 10,693,160,198.10 and 6,516,049,548.60 is: 9,774,074,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,773,465.40 : 10,693,160,198.10 = 6,516,049,548.60 : x
  2. Step 2: Convert to fraction form
    7,128,773,465.40/10,693,160,198.10 = 6,516,049,548.60/x
  3. Step 3: Cross multiply
    7,128,773,465.40x = 10,693,160,198.10 × 6,516,049,548.60
  4. Step 4: Simplify right side
    7,128,773,465.40x = 69,677,161,681,936,998,400
  5. Step 5: Solve for x
    x = 69,677,161,681,936,998,400/7,128,773,465.40
  6. Step 6: Final answer
    x = 9,774,074,322.90

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1.5x scale

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.