Home / 1,323,649,111.20-1,985,473,666.80-354,300,727.20

Finding the Fourth Proportional to 1,323,649,111.20, 1,985,473,666.80 and 354,300,727.20

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Solution

The fourth proportional to 1,323,649,111.20, 1,985,473,666.80 and 354,300,727.20 is: 531,451,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,649,111.20 : 1,985,473,666.80 = 354,300,727.20 : x
  2. Step 2: Convert to fraction form
    1,323,649,111.20/1,985,473,666.80 = 354,300,727.20/x
  3. Step 3: Cross multiply
    1,323,649,111.20x = 1,985,473,666.80 × 354,300,727.20
  4. Step 4: Simplify right side
    1,323,649,111.20x = 703,454,763,983,690,496
  5. Step 5: Solve for x
    x = 703,454,763,983,690,496/1,323,649,111.20
  6. Step 6: Final answer
    x = 531,451,090.80

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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.