Home / 1,271,808,093.60-1,907,712,140.40-410,252,176.80

Finding the Fourth Proportional to 1,271,808,093.60, 1,907,712,140.40 and 410,252,176.80

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Solution

The fourth proportional to 1,271,808,093.60, 1,907,712,140.40 and 410,252,176.80 is: 615,378,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,808,093.60 : 1,907,712,140.40 = 410,252,176.80 : x
  2. Step 2: Convert to fraction form
    1,271,808,093.60/1,907,712,140.40 = 410,252,176.80/x
  3. Step 3: Cross multiply
    1,271,808,093.60x = 1,907,712,140.40 × 410,252,176.80
  4. Step 4: Simplify right side
    1,271,808,093.60x = 782,643,058,306,887,296
  5. Step 5: Solve for x
    x = 782,643,058,306,887,296/1,271,808,093.60
  6. Step 6: Final answer
    x = 615,378,265.20

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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.