Home / 8,503,126,293.60-12,754,689,440.40-2,980,391,421.60

Finding the Fourth Proportional to 8,503,126,293.60, 12,754,689,440.40 and 2,980,391,421.60

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Solution

The fourth proportional to 8,503,126,293.60, 12,754,689,440.40 and 2,980,391,421.60 is: 4,470,587,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,126,293.60 : 12,754,689,440.40 = 2,980,391,421.60 : x
  2. Step 2: Convert to fraction form
    8,503,126,293.60/12,754,689,440.40 = 2,980,391,421.60/x
  3. Step 3: Cross multiply
    8,503,126,293.60x = 12,754,689,440.40 × 2,980,391,421.60
  4. Step 4: Simplify right side
    8,503,126,293.60x = 38,013,966,993,340,260,352
  5. Step 5: Solve for x
    x = 38,013,966,993,340,260,352/8,503,126,293.60
  6. Step 6: Final answer
    x = 4,470,587,132.40

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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.