Home / 910,144,109.84-1,365,276,702.28-319,862,958.78

Finding the Fourth Proportional to 910,144,109.84, 1,365,276,702.28 and 319,862,958.78

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Solution

The fourth proportional to 910,144,109.84, 1,365,276,702.28 and 319,862,958.78 is: 479,815,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,144,109.84 : 1,365,276,702.28 = 319,862,958.78 : x
  2. Step 2: Convert to fraction form
    910,144,109.84/1,365,276,702.28 = 319,862,958.78/x
  3. Step 3: Cross multiply
    910,144,109.84x = 1,365,276,702.28 × 319,862,958.78
  4. Step 4: Simplify right side
    910,144,109.84x = 436,701,445,544,681,920
  5. Step 5: Solve for x
    x = 436,701,445,544,681,920/910,144,109.84
  6. Step 6: Final answer
    x = 479,815,713.60

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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.