Home / 1,303,884,815.40-1,955,155,376.70-485,575,900.20

Finding the Fourth Proportional to 1,303,884,815.40, 1,955,155,376.70 and 485,575,900.20

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Solution

The fourth proportional to 1,303,884,815.40, 1,955,155,376.70 and 485,575,900.20 is: 728,113,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,884,815.40 : 1,955,155,376.70 = 485,575,900.20 : x
  2. Step 2: Convert to fraction form
    1,303,884,815.40/1,955,155,376.70 = 485,575,900.20/x
  3. Step 3: Cross multiply
    1,303,884,815.40x = 1,955,155,376.70 × 485,575,900.20
  4. Step 4: Simplify right side
    1,303,884,815.40x = 949,376,332,071,972,608
  5. Step 5: Solve for x
    x = 949,376,332,071,972,608/1,303,884,815.40
  6. Step 6: Final answer
    x = 728,113,649.96

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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.