Home / 3,658,918,042.08-5,049,295,904.88-1,988,172,280.80

Finding the Fourth Proportional to 3,658,918,042.08, 5,049,295,904.88 and 1,988,172,280.80

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Solution

The fourth proportional to 3,658,918,042.08, 5,049,295,904.88 and 1,988,172,280.80 is: 2,743,671,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,918,042.08 : 5,049,295,904.88 = 1,988,172,280.80 : x
  2. Step 2: Convert to fraction form
    3,658,918,042.08/5,049,295,904.88 = 1,988,172,280.80/x
  3. Step 3: Cross multiply
    3,658,918,042.08x = 5,049,295,904.88 × 1,988,172,280.80
  4. Step 4: Simplify right side
    3,658,918,042.08x = 10,038,870,155,639,369,728
  5. Step 5: Solve for x
    x = 10,038,870,155,639,369,728/3,658,918,042.08
  6. Step 6: Final answer
    x = 2,743,671,774.06

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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.