Home / 1,303,884,807.90-1,955,155,365.45-485,575,892.70

Finding the Fourth Proportional to 1,303,884,807.90, 1,955,155,365.45 and 485,575,892.70

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Solution

The fourth proportional to 1,303,884,807.90, 1,955,155,365.45 and 485,575,892.70 is: 728,113,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,884,807.90 : 1,955,155,365.45 = 485,575,892.70 : x
  2. Step 2: Convert to fraction form
    1,303,884,807.90/1,955,155,365.45 = 485,575,892.70/x
  3. Step 3: Cross multiply
    1,303,884,807.90x = 1,955,155,365.45 × 485,575,892.70
  4. Step 4: Simplify right side
    1,303,884,807.90x = 949,376,311,945,578,496
  5. Step 5: Solve for x
    x = 949,376,311,945,578,496/1,303,884,807.90
  6. Step 6: Final answer
    x = 728,113,638.72

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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.