Home / 543,077,070.11-749,525,328.90-304,948,986.83

Finding the Fourth Proportional to 543,077,070.11, 749,525,328.90 and 304,948,986.83

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Solution

The fourth proportional to 543,077,070.11, 749,525,328.90 and 304,948,986.83 is: 420,873,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,077,070.11 : 749,525,328.90 = 304,948,986.83 : x
  2. Step 2: Convert to fraction form
    543,077,070.11/749,525,328.90 = 304,948,986.83/x
  3. Step 3: Cross multiply
    543,077,070.11x = 749,525,328.90 × 304,948,986.83
  4. Step 4: Simplify right side
    543,077,070.11x = 228,566,989,651,477,504
  5. Step 5: Solve for x
    x = 228,566,989,651,477,504/543,077,070.11
  6. Step 6: Final answer
    x = 420,873,946.32

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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.