Home / 983,330,000.80-1,474,995,001.20-937,980,368.80

Finding the Fourth Proportional to 983,330,000.80, 1,474,995,001.20 and 937,980,368.80

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Solution

The fourth proportional to 983,330,000.80, 1,474,995,001.20 and 937,980,368.80 is: 1,406,970,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,330,000.80 : 1,474,995,001.20 = 937,980,368.80 : x
  2. Step 2: Convert to fraction form
    983,330,000.80/1,474,995,001.20 = 937,980,368.80/x
  3. Step 3: Cross multiply
    983,330,000.80x = 1,474,995,001.20 × 937,980,368.80
  4. Step 4: Simplify right side
    983,330,000.80x = 1,383,516,355,203,732,480
  5. Step 5: Solve for x
    x = 1,383,516,355,203,732,480/983,330,000.80
  6. Step 6: Final answer
    x = 1,406,970,553.20

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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.