Home / 808,200,673.20-1,212,301,009.80-614,490,428.70

Finding the Fourth Proportional to 808,200,673.20, 1,212,301,009.80 and 614,490,428.70

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Solution

The fourth proportional to 808,200,673.20, 1,212,301,009.80 and 614,490,428.70 is: 921,735,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,200,673.20 : 1,212,301,009.80 = 614,490,428.70 : x
  2. Step 2: Convert to fraction form
    808,200,673.20/1,212,301,009.80 = 614,490,428.70/x
  3. Step 3: Cross multiply
    808,200,673.20x = 1,212,301,009.80 × 614,490,428.70
  4. Step 4: Simplify right side
    808,200,673.20x = 744,947,367,225,444,992
  5. Step 5: Solve for x
    x = 744,947,367,225,444,992/808,200,673.20
  6. Step 6: Final answer
    x = 921,735,643.05

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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.