Home / 7,070,087,987.91-9,757,156,918.79-3,898,262,095.56

Finding the Fourth Proportional to 7,070,087,987.91, 9,757,156,918.79 and 3,898,262,095.56

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Solution

The fourth proportional to 7,070,087,987.91, 9,757,156,918.79 and 3,898,262,095.56 is: 5,379,841,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070,087,987.91 : 9,757,156,918.79 = 3,898,262,095.56 : x
  2. Step 2: Convert to fraction form
    7,070,087,987.91/9,757,156,918.79 = 3,898,262,095.56/x
  3. Step 3: Cross multiply
    7,070,087,987.91x = 9,757,156,918.79 × 3,898,262,095.56
  4. Step 4: Simplify right side
    7,070,087,987.91x = 38,035,954,976,950,059,008
  5. Step 5: Solve for x
    x = 38,035,954,976,950,059,008/7,070,087,987.91
  6. Step 6: Final answer
    x = 5,379,841,812.72

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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.