Home / 7,128,787,527.40-10,693,181,291.10-6,516,063,610.60

Finding the Fourth Proportional to 7,128,787,527.40, 10,693,181,291.10 and 6,516,063,610.60

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Solution

The fourth proportional to 7,128,787,527.40, 10,693,181,291.10 and 6,516,063,610.60 is: 9,774,095,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,787,527.40 : 10,693,181,291.10 = 6,516,063,610.60 : x
  2. Step 2: Convert to fraction form
    7,128,787,527.40/10,693,181,291.10 = 6,516,063,610.60/x
  3. Step 3: Cross multiply
    7,128,787,527.40x = 10,693,181,291.10 × 6,516,063,610.60
  4. Step 4: Simplify right side
    7,128,787,527.40x = 69,677,449,492,485,439,488
  5. Step 5: Solve for x
    x = 69,677,449,492,485,439,488/7,128,787,527.40
  6. Step 6: Final answer
    x = 9,774,095,415.90

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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.