Home / 9,940,720,837.38-13,718,486,300.94-5,424,891,465.12

Finding the Fourth Proportional to 9,940,720,837.38, 13,718,486,300.94 and 5,424,891,465.12

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Solution

The fourth proportional to 9,940,720,837.38, 13,718,486,300.94 and 5,424,891,465.12 is: 7,486,509,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940,720,837.38 : 13,718,486,300.94 = 5,424,891,465.12 : x
  2. Step 2: Convert to fraction form
    9,940,720,837.38/13,718,486,300.94 = 5,424,891,465.12/x
  3. Step 3: Cross multiply
    9,940,720,837.38x = 13,718,486,300.94 × 5,424,891,465.12
  4. Step 4: Simplify right side
    9,940,720,837.38x = 74,421,299,248,335,044,608
  5. Step 5: Solve for x
    x = 74,421,299,248,335,044,608/9,940,720,837.38
  6. Step 6: Final answer
    x = 7,486,509,325.21

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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.