Home / 710,208,023.20-1,065,312,034.80-199,604,759.20

Finding the Fourth Proportional to 710,208,023.20, 1,065,312,034.80 and 199,604,759.20

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Solution

The fourth proportional to 710,208,023.20, 1,065,312,034.80 and 199,604,759.20 is: 299,407,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,208,023.20 : 1,065,312,034.80 = 199,604,759.20 : x
  2. Step 2: Convert to fraction form
    710,208,023.20/1,065,312,034.80 = 199,604,759.20/x
  3. Step 3: Cross multiply
    710,208,023.20x = 1,065,312,034.80 × 199,604,759.20
  4. Step 4: Simplify right side
    710,208,023.20x = 212,641,352,179,116,000
  5. Step 5: Solve for x
    x = 212,641,352,179,116,000/710,208,023.20
  6. Step 6: Final answer
    x = 299,407,138.80

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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.