Home / 1,500,841,247.31-2,071,161,117.68-831,829,484.84

Finding the Fourth Proportional to 1,500,841,247.31, 2,071,161,117.68 and 831,829,484.84

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Solution

The fourth proportional to 1,500,841,247.31, 2,071,161,117.68 and 831,829,484.84 is: 1,147,924,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,841,247.31 : 2,071,161,117.68 = 831,829,484.84 : x
  2. Step 2: Convert to fraction form
    1,500,841,247.31/2,071,161,117.68 = 831,829,484.84/x
  3. Step 3: Cross multiply
    1,500,841,247.31x = 2,071,161,117.68 × 831,829,484.84
  4. Step 4: Simplify right side
    1,500,841,247.31x = 1,722,852,885,525,878,016
  5. Step 5: Solve for x
    x = 1,722,852,885,525,878,016/1,500,841,247.31
  6. Step 6: Final answer
    x = 1,147,924,797.92

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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.