Home / 927,148,047,374.80-1,390,722,071,062.20-331,580,400,245.20

Finding the Fourth Proportional to 927,148,047,374.80, 1,390,722,071,062.20 and 331,580,400,245.20

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Solution

The fourth proportional to 927,148,047,374.80, 1,390,722,071,062.20 and 331,580,400,245.20 is: 497,370,600,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,148,047,374.80 : 1,390,722,071,062.20 = 331,580,400,245.20 : x
  2. Step 2: Convert to fraction form
    927,148,047,374.80/1,390,722,071,062.20 = 331,580,400,245.20/x
  3. Step 3: Cross multiply
    927,148,047,374.80x = 1,390,722,071,062.20 × 331,580,400,245.20
  4. Step 4: Simplify right side
    927,148,047,374.80x = 461,136,180,952,637,724,688,384
  5. Step 5: Solve for x
    x = 461,136,180,952,637,724,688,384/927,148,047,374.80
  6. Step 6: Final answer
    x = 497,370,600,367.80

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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.