Home / 7,759,645,488.28-10,708,315,070.50-4,191,352,378.12

Finding the Fourth Proportional to 7,759,645,488.28, 10,708,315,070.50 and 4,191,352,378.12

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Solution

The fourth proportional to 7,759,645,488.28, 10,708,315,070.50 and 4,191,352,378.12 is: 5,784,068,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759,645,488.28 : 10,708,315,070.50 = 4,191,352,378.12 : x
  2. Step 2: Convert to fraction form
    7,759,645,488.28/10,708,315,070.50 = 4,191,352,378.12/x
  3. Step 3: Cross multiply
    7,759,645,488.28x = 10,708,315,070.50 × 4,191,352,378.12
  4. Step 4: Simplify right side
    7,759,645,488.28x = 44,882,321,836,398,411,776
  5. Step 5: Solve for x
    x = 44,882,321,836,398,411,776/7,759,645,488.28
  6. Step 6: Final answer
    x = 5,784,068,602.64

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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.