Home / 1,303,344,043.20-1,955,016,064.80-485,287,070.40

Finding the Fourth Proportional to 1,303,344,043.20, 1,955,016,064.80 and 485,287,070.40

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Solution

The fourth proportional to 1,303,344,043.20, 1,955,016,064.80 and 485,287,070.40 is: 727,930,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,344,043.20 : 1,955,016,064.80 = 485,287,070.40 : x
  2. Step 2: Convert to fraction form
    1,303,344,043.20/1,955,016,064.80 = 485,287,070.40/x
  3. Step 3: Cross multiply
    1,303,344,043.20x = 1,955,016,064.80 × 485,287,070.40
  4. Step 4: Simplify right side
    1,303,344,043.20x = 948,744,018,671,728,512
  5. Step 5: Solve for x
    x = 948,744,018,671,728,512/1,303,344,043.20
  6. Step 6: Final answer
    x = 727,930,605.60

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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.