Home / 1,303,884,821.40-1,955,155,385.70-485,575,906.20

Finding the Fourth Proportional to 1,303,884,821.40, 1,955,155,385.70 and 485,575,906.20

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Solution

The fourth proportional to 1,303,884,821.40, 1,955,155,385.70 and 485,575,906.20 is: 728,113,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,884,821.40 : 1,955,155,385.70 = 485,575,906.20 : x
  2. Step 2: Convert to fraction form
    1,303,884,821.40/1,955,155,385.70 = 485,575,906.20/x
  3. Step 3: Cross multiply
    1,303,884,821.40x = 1,955,155,385.70 × 485,575,906.20
  4. Step 4: Simplify right side
    1,303,884,821.40x = 949,376,348,173,088,000
  5. Step 5: Solve for x
    x = 949,376,348,173,088,000/1,303,884,821.40
  6. Step 6: Final answer
    x = 728,113,658.96

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1.5x scale

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.