Home / 801,749,734-1,106,395,815-471,746,247.28

Finding the Fourth Proportional to 801,749,734, 1,106,395,815 and 471,746,247.28

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Solution

The fourth proportional to 801,749,734, 1,106,395,815 and 471,746,247.28 is: 650,998,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,749,734 : 1,106,395,815 = 471,746,247.28 : x
  2. Step 2: Convert to fraction form
    801,749,734/1,106,395,815 = 471,746,247.28/x
  3. Step 3: Cross multiply
    801,749,734x = 1,106,395,815 × 471,746,247.28
  4. Step 4: Simplify right side
    801,749,734x = 521,938,073,732,547,072
  5. Step 5: Solve for x
    x = 521,938,073,732,547,072/801,749,734
  6. Step 6: Final answer
    x = 650,998,748.86

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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.