Home / 895,730,679.20-1,343,500,503.60-313,476,046.40

Finding the Fourth Proportional to 895,730,679.20, 1,343,500,503.60 and 313,476,046.40

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Solution

The fourth proportional to 895,730,679.20, 1,343,500,503.60 and 313,476,046.40 is: 470,180,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,730,679.20 : 1,343,500,503.60 = 313,476,046.40 : x
  2. Step 2: Convert to fraction form
    895,730,679.20/1,343,500,503.60 = 313,476,046.40/x
  3. Step 3: Cross multiply
    895,730,679.20x = 1,343,500,503.60 × 313,476,046.40
  4. Step 4: Simplify right side
    895,730,679.20x = 421,155,226,204,936,896
  5. Step 5: Solve for x
    x = 421,155,226,204,936,896/895,730,679.20
  6. Step 6: Final answer
    x = 470,180,642.45

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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.