Home / 1,246,335,047.20-1,869,502,570.80-519,229,280.80

Finding the Fourth Proportional to 1,246,335,047.20, 1,869,502,570.80 and 519,229,280.80

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Solution

The fourth proportional to 1,246,335,047.20, 1,869,502,570.80 and 519,229,280.80 is: 778,843,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,335,047.20 : 1,869,502,570.80 = 519,229,280.80 : x
  2. Step 2: Convert to fraction form
    1,246,335,047.20/1,869,502,570.80 = 519,229,280.80/x
  3. Step 3: Cross multiply
    1,246,335,047.20x = 1,869,502,570.80 × 519,229,280.80
  4. Step 4: Simplify right side
    1,246,335,047.20x = 970,700,475,290,235,136
  5. Step 5: Solve for x
    x = 970,700,475,290,235,136/1,246,335,047.20
  6. Step 6: Final answer
    x = 778,843,921.20

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Double scale
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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.