Home / 7,001,528,511.10-9,662,138,455.90-3,786,438,500.80

Finding the Fourth Proportional to 7,001,528,511.10, 9,662,138,455.90 and 3,786,438,500.80

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Solution

The fourth proportional to 7,001,528,511.10, 9,662,138,455.90 and 3,786,438,500.80 is: 5,225,300,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001,528,511.10 : 9,662,138,455.90 = 3,786,438,500.80 : x
  2. Step 2: Convert to fraction form
    7,001,528,511.10/9,662,138,455.90 = 3,786,438,500.80/x
  3. Step 3: Cross multiply
    7,001,528,511.10x = 9,662,138,455.90 × 3,786,438,500.80
  4. Step 4: Simplify right side
    7,001,528,511.10x = 36,585,093,049,480,024,064
  5. Step 5: Solve for x
    x = 36,585,093,049,480,024,064/7,001,528,511.10
  6. Step 6: Final answer
    x = 5,225,300,874.16

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1.5x scale

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.