Home / 927,148,047,468.80-1,390,722,071,203.20-331,580,400,339.20

Finding the Fourth Proportional to 927,148,047,468.80, 1,390,722,071,203.20 and 331,580,400,339.20

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Solution

The fourth proportional to 927,148,047,468.80, 1,390,722,071,203.20 and 331,580,400,339.20 is: 497,370,600,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,148,047,468.80 : 1,390,722,071,203.20 = 331,580,400,339.20 : x
  2. Step 2: Convert to fraction form
    927,148,047,468.80/1,390,722,071,203.20 = 331,580,400,339.20/x
  3. Step 3: Cross multiply
    927,148,047,468.80x = 1,390,722,071,203.20 × 331,580,400,339.20
  4. Step 4: Simplify right side
    927,148,047,468.80x = 461,136,181,130,118,456,934,400
  5. Step 5: Solve for x
    x = 461,136,181,130,118,456,934,400/927,148,047,468.80
  6. Step 6: Final answer
    x = 497,370,600,508.80

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Double scale
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Similar ratio
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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.