Home / 537,312,813.10-805,969,219.65-196,866,400.30

Finding the Fourth Proportional to 537,312,813.10, 805,969,219.65 and 196,866,400.30

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Solution

The fourth proportional to 537,312,813.10, 805,969,219.65 and 196,866,400.30 is: 295,299,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,312,813.10 : 805,969,219.65 = 196,866,400.30 : x
  2. Step 2: Convert to fraction form
    537,312,813.10/805,969,219.65 = 196,866,400.30/x
  3. Step 3: Cross multiply
    537,312,813.10x = 805,969,219.65 × 196,866,400.30
  4. Step 4: Simplify right side
    537,312,813.10x = 158,668,259,025,095,520
  5. Step 5: Solve for x
    x = 158,668,259,025,095,520/537,312,813.10
  6. Step 6: Final answer
    x = 295,299,600.45

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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.