Home / 77,262,337,455.40-115,893,506,183.10-76,772,561,429.80

Finding the Fourth Proportional to 77,262,337,455.40, 115,893,506,183.10 and 76,772,561,429.80

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Solution

The fourth proportional to 77,262,337,455.40, 115,893,506,183.10 and 76,772,561,429.80 is: 115,158,842,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,337,455.40 : 115,893,506,183.10 = 76,772,561,429.80 : x
  2. Step 2: Convert to fraction form
    77,262,337,455.40/115,893,506,183.10 = 76,772,561,429.80/x
  3. Step 3: Cross multiply
    77,262,337,455.40x = 115,893,506,183.10 × 76,772,561,429.80
  4. Step 4: Simplify right side
    77,262,337,455.40x = 8,897,441,322,756,952,031,232
  5. Step 5: Solve for x
    x = 8,897,441,322,756,952,031,232/77,262,337,455.40
  6. Step 6: Final answer
    x = 115,158,842,144.70

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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.