Home / 1,211,270,557.80-1,816,920,254.82-337,818,783.16

Finding the Fourth Proportional to 1,211,270,557.80, 1,816,920,254.82 and 337,818,783.16

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Solution

The fourth proportional to 1,211,270,557.80, 1,816,920,254.82 and 337,818,783.16 is: 506,732,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,270,557.80 : 1,816,920,254.82 = 337,818,783.16 : x
  2. Step 2: Convert to fraction form
    1,211,270,557.80/1,816,920,254.82 = 337,818,783.16/x
  3. Step 3: Cross multiply
    1,211,270,557.80x = 1,816,920,254.82 × 337,818,783.16
  4. Step 4: Simplify right side
    1,211,270,557.80x = 613,789,789,582,049,536
  5. Step 5: Solve for x
    x = 613,789,789,582,049,536/1,211,270,557.80
  6. Step 6: Final answer
    x = 506,732,195.90

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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.