Home / 2,758,688,001.20-4,138,032,001.80-1,448,083,636.40

Finding the Fourth Proportional to 2,758,688,001.20, 4,138,032,001.80 and 1,448,083,636.40

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Solution

The fourth proportional to 2,758,688,001.20, 4,138,032,001.80 and 1,448,083,636.40 is: 2,172,125,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,688,001.20 : 4,138,032,001.80 = 1,448,083,636.40 : x
  2. Step 2: Convert to fraction form
    2,758,688,001.20/4,138,032,001.80 = 1,448,083,636.40/x
  3. Step 3: Cross multiply
    2,758,688,001.20x = 4,138,032,001.80 × 1,448,083,636.40
  4. Step 4: Simplify right side
    2,758,688,001.20x = 5,992,216,428,706,115,584
  5. Step 5: Solve for x
    x = 5,992,216,428,706,115,584/2,758,688,001.20
  6. Step 6: Final answer
    x = 2,172,125,454.60

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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.