Home / 7,091,713,619.20-10,637,570,428.80-3,221,878,355.20

Finding the Fourth Proportional to 7,091,713,619.20, 10,637,570,428.80 and 3,221,878,355.20

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Solution

The fourth proportional to 7,091,713,619.20, 10,637,570,428.80 and 3,221,878,355.20 is: 4,832,817,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091,713,619.20 : 10,637,570,428.80 = 3,221,878,355.20 : x
  2. Step 2: Convert to fraction form
    7,091,713,619.20/10,637,570,428.80 = 3,221,878,355.20/x
  3. Step 3: Cross multiply
    7,091,713,619.20x = 10,637,570,428.80 × 3,221,878,355.20
  4. Step 4: Simplify right side
    7,091,713,619.20x = 34,272,957,916,466,298,880
  5. Step 5: Solve for x
    x = 34,272,957,916,466,298,880/7,091,713,619.20
  6. Step 6: Final answer
    x = 4,832,817,532.80

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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.