Home / 1,389,840,543.23-2,084,759,141.78-354,701,534.90

Finding the Fourth Proportional to 1,389,840,543.23, 2,084,759,141.78 and 354,701,534.90

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Solution

The fourth proportional to 1,389,840,543.23, 2,084,759,141.78 and 354,701,534.90 is: 532,051,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,840,543.23 : 2,084,759,141.78 = 354,701,534.90 : x
  2. Step 2: Convert to fraction form
    1,389,840,543.23/2,084,759,141.78 = 354,701,534.90/x
  3. Step 3: Cross multiply
    1,389,840,543.23x = 2,084,759,141.78 × 354,701,534.90
  4. Step 4: Simplify right side
    1,389,840,543.23x = 739,467,267,476,635,648
  5. Step 5: Solve for x
    x = 739,467,267,476,635,648/1,389,840,543.23
  6. Step 6: Final answer
    x = 532,051,875.36

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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.