Home / 1,500,840,551.75-2,071,160,157.74-831,828,788.28

Finding the Fourth Proportional to 1,500,840,551.75, 2,071,160,157.74 and 831,828,788.28

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Solution

The fourth proportional to 1,500,840,551.75, 2,071,160,157.74 and 831,828,788.28 is: 1,147,923,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,840,551.75 : 2,071,160,157.74 = 831,828,788.28 : x
  2. Step 2: Convert to fraction form
    1,500,840,551.75/2,071,160,157.74 = 831,828,788.28/x
  3. Step 3: Cross multiply
    1,500,840,551.75x = 2,071,160,157.74 × 831,828,788.28
  4. Step 4: Simplify right side
    1,500,840,551.75x = 1,722,850,644,342,518,528
  5. Step 5: Solve for x
    x = 1,722,850,644,342,518,528/1,500,840,551.75
  6. Step 6: Final answer
    x = 1,147,923,836.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.