Home / 1,008,935,335.60-1,513,403,003.40-868,495,408.34

Finding the Fourth Proportional to 1,008,935,335.60, 1,513,403,003.40 and 868,495,408.34

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Solution

The fourth proportional to 1,008,935,335.60, 1,513,403,003.40 and 868,495,408.34 is: 1,302,743,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,935,335.60 : 1,513,403,003.40 = 868,495,408.34 : x
  2. Step 2: Convert to fraction form
    1,008,935,335.60/1,513,403,003.40 = 868,495,408.34/x
  3. Step 3: Cross multiply
    1,008,935,335.60x = 1,513,403,003.40 × 868,495,408.34
  4. Step 4: Simplify right side
    1,008,935,335.60x = 1,314,383,559,420,865,536
  5. Step 5: Solve for x
    x = 1,314,383,559,420,865,536/1,008,935,335.60
  6. Step 6: Final answer
    x = 1,302,743,112.51

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Double scale
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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.