Home / 5,280,304,154.40-7,920,456,231.60-2,659,095,424.80

Finding the Fourth Proportional to 5,280,304,154.40, 7,920,456,231.60 and 2,659,095,424.80

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Solution

The fourth proportional to 5,280,304,154.40, 7,920,456,231.60 and 2,659,095,424.80 is: 3,988,643,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,304,154.40 : 7,920,456,231.60 = 2,659,095,424.80 : x
  2. Step 2: Convert to fraction form
    5,280,304,154.40/7,920,456,231.60 = 2,659,095,424.80/x
  3. Step 3: Cross multiply
    5,280,304,154.40x = 7,920,456,231.60 × 2,659,095,424.80
  4. Step 4: Simplify right side
    5,280,304,154.40x = 21,061,248,927,776,210,944
  5. Step 5: Solve for x
    x = 21,061,248,927,776,210,944/5,280,304,154.40
  6. Step 6: Final answer
    x = 3,988,643,137.20

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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.