Home / 543,077,070.15-749,525,328.90-304,948,986.87

Finding the Fourth Proportional to 543,077,070.15, 749,525,328.90 and 304,948,986.87

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Solution

The fourth proportional to 543,077,070.15, 749,525,328.90 and 304,948,986.87 is: 420,873,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,077,070.15 : 749,525,328.90 = 304,948,986.87 : x
  2. Step 2: Convert to fraction form
    543,077,070.15/749,525,328.90 = 304,948,986.87/x
  3. Step 3: Cross multiply
    543,077,070.15x = 749,525,328.90 × 304,948,986.87
  4. Step 4: Simplify right side
    543,077,070.15x = 228,566,989,681,458,528
  5. Step 5: Solve for x
    x = 228,566,989,681,458,528/543,077,070.15
  6. Step 6: Final answer
    x = 420,873,946.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.