Home / 798,357,763.80-1,197,536,645.70-738,638,083.80

Finding the Fourth Proportional to 798,357,763.80, 1,197,536,645.70 and 738,638,083.80

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Solution

The fourth proportional to 798,357,763.80, 1,197,536,645.70 and 738,638,083.80 is: 1,107,957,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,357,763.80 : 1,197,536,645.70 = 738,638,083.80 : x
  2. Step 2: Convert to fraction form
    798,357,763.80/1,197,536,645.70 = 738,638,083.80/x
  3. Step 3: Cross multiply
    798,357,763.80x = 1,197,536,645.70 × 738,638,083.80
  4. Step 4: Simplify right side
    798,357,763.80x = 884,546,173,260,127,488
  5. Step 5: Solve for x
    x = 884,546,173,260,127,488/798,357,763.80
  6. Step 6: Final answer
    x = 1,107,957,125.70

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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.