Home / 1,258,931,910,815.70-1,737,326,023,473.60-680,868,429,591.84

Finding the Fourth Proportional to 1,258,931,910,815.70, 1,737,326,023,473.60 and 680,868,429,591.84

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Solution

The fourth proportional to 1,258,931,910,815.70, 1,737,326,023,473.60 and 680,868,429,591.84 is: 939,598,425,561.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,931,910,815.70 : 1,737,326,023,473.60 = 680,868,429,591.84 : x
  2. Step 2: Convert to fraction form
    1,258,931,910,815.70/1,737,326,023,473.60 = 680,868,429,591.84/x
  3. Step 3: Cross multiply
    1,258,931,910,815.70x = 1,737,326,023,473.60 × 680,868,429,591.84
  4. Step 4: Simplify right side
    1,258,931,910,815.70x = 1,182,890,441,291,506,235,998,208
  5. Step 5: Solve for x
    x = 1,182,890,441,291,506,235,998,208/1,258,931,910,815.70
  6. Step 6: Final answer
    x = 939,598,425,561.46

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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.