Home / 1,330,791,310.40-1,995,998,008.80-457,432,980.80

Finding the Fourth Proportional to 1,330,791,310.40, 1,995,998,008.80 and 457,432,980.80

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Solution

The fourth proportional to 1,330,791,310.40, 1,995,998,008.80 and 457,432,980.80 is: 686,084,521.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,791,310.40 : 1,995,998,008.80 = 457,432,980.80 : x
  2. Step 2: Convert to fraction form
    1,330,791,310.40/1,995,998,008.80 = 457,432,980.80/x
  3. Step 3: Cross multiply
    1,330,791,310.40x = 1,995,998,008.80 × 457,432,980.80
  4. Step 4: Simplify right side
    1,330,791,310.40x = 913,035,318,836,248,576
  5. Step 5: Solve for x
    x = 913,035,318,836,248,576/1,330,791,310.40
  6. Step 6: Final answer
    x = 686,084,521.07

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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.