Home / 1,348,955,432.40-1,860,988,465.52-903,062,436.60

Finding the Fourth Proportional to 1,348,955,432.40, 1,860,988,465.52 and 903,062,436.60

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Solution

The fourth proportional to 1,348,955,432.40, 1,860,988,465.52 and 903,062,436.60 is: 1,245,844,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,955,432.40 : 1,860,988,465.52 = 903,062,436.60 : x
  2. Step 2: Convert to fraction form
    1,348,955,432.40/1,860,988,465.52 = 903,062,436.60/x
  3. Step 3: Cross multiply
    1,348,955,432.40x = 1,860,988,465.52 × 903,062,436.60
  4. Step 4: Simplify right side
    1,348,955,432.40x = 1,680,588,778,156,986,368
  5. Step 5: Solve for x
    x = 1,680,588,778,156,986,368/1,348,955,432.40
  6. Step 6: Final answer
    x = 1,245,844,553.34

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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.