Home / 1,303,884,806.40-1,955,155,363.20-485,575,891.20

Finding the Fourth Proportional to 1,303,884,806.40, 1,955,155,363.20 and 485,575,891.20

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Solution

The fourth proportional to 1,303,884,806.40, 1,955,155,363.20 and 485,575,891.20 is: 728,113,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,884,806.40 : 1,955,155,363.20 = 485,575,891.20 : x
  2. Step 2: Convert to fraction form
    1,303,884,806.40/1,955,155,363.20 = 485,575,891.20/x
  3. Step 3: Cross multiply
    1,303,884,806.40x = 1,955,155,363.20 × 485,575,891.20
  4. Step 4: Simplify right side
    1,303,884,806.40x = 949,376,307,920,299,648
  5. Step 5: Solve for x
    x = 949,376,307,920,299,648/1,303,884,806.40
  6. Step 6: Final answer
    x = 728,113,636.47

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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.