Home / 7,070,087,989.19-9,757,156,920.57-3,898,262,096.84

Finding the Fourth Proportional to 7,070,087,989.19, 9,757,156,920.57 and 3,898,262,096.84

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Solution

The fourth proportional to 7,070,087,989.19, 9,757,156,920.57 and 3,898,262,096.84 is: 5,379,841,814.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070,087,989.19 : 9,757,156,920.57 = 3,898,262,096.84 : x
  2. Step 2: Convert to fraction form
    7,070,087,989.19/9,757,156,920.57 = 3,898,262,096.84/x
  3. Step 3: Cross multiply
    7,070,087,989.19x = 9,757,156,920.57 × 3,898,262,096.84
  4. Step 4: Simplify right side
    7,070,087,989.19x = 38,035,954,996,378,124,288
  5. Step 5: Solve for x
    x = 38,035,954,996,378,124,288/7,070,087,989.19
  6. Step 6: Final answer
    x = 5,379,841,814.49

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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.