Home / 804,818,019.60-1,207,227,029.40-702,781,347.60

Finding the Fourth Proportional to 804,818,019.60, 1,207,227,029.40 and 702,781,347.60

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Solution

The fourth proportional to 804,818,019.60, 1,207,227,029.40 and 702,781,347.60 is: 1,054,172,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,818,019.60 : 1,207,227,029.40 = 702,781,347.60 : x
  2. Step 2: Convert to fraction form
    804,818,019.60/1,207,227,029.40 = 702,781,347.60/x
  3. Step 3: Cross multiply
    804,818,019.60x = 1,207,227,029.40 × 702,781,347.60
  4. Step 4: Simplify right side
    804,818,019.60x = 848,416,638,580,876,928
  5. Step 5: Solve for x
    x = 848,416,638,580,876,928/804,818,019.60
  6. Step 6: Final answer
    x = 1,054,172,021.40

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1.5x scale

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.