Home / 51,201,807,350.16-77,186,479,080.90-47,788,680,671.76

Finding the Fourth Proportional to 51,201,807,350.16, 77,186,479,080.90 and 47,788,680,671.76

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Solution

The fourth proportional to 51,201,807,350.16, 77,186,479,080.90 and 47,788,680,671.76 is: 72,041,206,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201,807,350.16 : 77,186,479,080.90 = 47,788,680,671.76 : x
  2. Step 2: Convert to fraction form
    51,201,807,350.16/77,186,479,080.90 = 47,788,680,671.76/x
  3. Step 3: Cross multiply
    51,201,807,350.16x = 77,186,479,080.90 × 47,788,680,671.76
  4. Step 4: Simplify right side
    51,201,807,350.16x = 3,688,640,000,974,613,118,976
  5. Step 5: Solve for x
    x = 3,688,640,000,974,613,118,976/51,201,807,350.16
  6. Step 6: Final answer
    x = 72,041,206,978.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.