Home / 1,216,655,522.40-1,824,983,283.60-807,711,672.90

Finding the Fourth Proportional to 1,216,655,522.40, 1,824,983,283.60 and 807,711,672.90

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Solution

The fourth proportional to 1,216,655,522.40, 1,824,983,283.60 and 807,711,672.90 is: 1,211,567,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,655,522.40 : 1,824,983,283.60 = 807,711,672.90 : x
  2. Step 2: Convert to fraction form
    1,216,655,522.40/1,824,983,283.60 = 807,711,672.90/x
  3. Step 3: Cross multiply
    1,216,655,522.40x = 1,824,983,283.60 × 807,711,672.90
  4. Step 4: Simplify right side
    1,216,655,522.40x = 1,474,060,301,011,090,944
  5. Step 5: Solve for x
    x = 1,474,060,301,011,090,944/1,216,655,522.40
  6. Step 6: Final answer
    x = 1,211,567,509.35

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Double scale
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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.