Home / 805,302,365.16-1,111,299,845.46-466,225,139.80

Finding the Fourth Proportional to 805,302,365.16, 1,111,299,845.46 and 466,225,139.80

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Solution

The fourth proportional to 805,302,365.16, 1,111,299,845.46 and 466,225,139.80 is: 643,380,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,302,365.16 : 1,111,299,845.46 = 466,225,139.80 : x
  2. Step 2: Convert to fraction form
    805,302,365.16/1,111,299,845.46 = 466,225,139.80/x
  3. Step 3: Cross multiply
    805,302,365.16x = 1,111,299,845.46 × 466,225,139.80
  4. Step 4: Simplify right side
    805,302,365.16x = 518,115,925,812,448,128
  5. Step 5: Solve for x
    x = 518,115,925,812,448,128/805,302,365.16
  6. Step 6: Final answer
    x = 643,380,608.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.