Home / 2,640,152,065.20-3,960,228,097.80-1,329,547,700.40

Finding the Fourth Proportional to 2,640,152,065.20, 3,960,228,097.80 and 1,329,547,700.40

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Solution

The fourth proportional to 2,640,152,065.20, 3,960,228,097.80 and 1,329,547,700.40 is: 1,994,321,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,152,065.20 : 3,960,228,097.80 = 1,329,547,700.40 : x
  2. Step 2: Convert to fraction form
    2,640,152,065.20/3,960,228,097.80 = 1,329,547,700.40/x
  3. Step 3: Cross multiply
    2,640,152,065.20x = 3,960,228,097.80 × 1,329,547,700.40
  4. Step 4: Simplify right side
    2,640,152,065.20x = 5,265,312,160,489,456,640
  5. Step 5: Solve for x
    x = 5,265,312,160,489,456,640/2,640,152,065.20
  6. Step 6: Final answer
    x = 1,994,321,550.60

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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.