Home / 805,202,208.40-1,207,803,312.60-417,781,719.40

Finding the Fourth Proportional to 805,202,208.40, 1,207,803,312.60 and 417,781,719.40

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Solution

The fourth proportional to 805,202,208.40, 1,207,803,312.60 and 417,781,719.40 is: 626,672,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,202,208.40 : 1,207,803,312.60 = 417,781,719.40 : x
  2. Step 2: Convert to fraction form
    805,202,208.40/1,207,803,312.60 = 417,781,719.40/x
  3. Step 3: Cross multiply
    805,202,208.40x = 1,207,803,312.60 × 417,781,719.40
  4. Step 4: Simplify right side
    805,202,208.40x = 504,598,144,635,043,584
  5. Step 5: Solve for x
    x = 504,598,144,635,043,584/805,202,208.40
  6. Step 6: Final answer
    x = 626,672,579.10

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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.