Home / 8,503,063,200.90-12,754,594,801.35-7,779,878,288.10

Finding the Fourth Proportional to 8,503,063,200.90, 12,754,594,801.35 and 7,779,878,288.10

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Solution

The fourth proportional to 8,503,063,200.90, 12,754,594,801.35 and 7,779,878,288.10 is: 11,669,817,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,063,200.90 : 12,754,594,801.35 = 7,779,878,288.10 : x
  2. Step 2: Convert to fraction form
    8,503,063,200.90/12,754,594,801.35 = 7,779,878,288.10/x
  3. Step 3: Cross multiply
    8,503,063,200.90x = 12,754,594,801.35 × 7,779,878,288.10
  4. Step 4: Simplify right side
    8,503,063,200.90x = 99,229,195,168,536,002,560
  5. Step 5: Solve for x
    x = 99,229,195,168,536,002,560/8,503,063,200.90
  6. Step 6: Final answer
    x = 11,669,817,432.15

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Double scale
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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.