Home / 1,277,156,787.60-1,915,735,181.40-971,046,771.60

Finding the Fourth Proportional to 1,277,156,787.60, 1,915,735,181.40 and 971,046,771.60

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Solution

The fourth proportional to 1,277,156,787.60, 1,915,735,181.40 and 971,046,771.60 is: 1,456,570,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,156,787.60 : 1,915,735,181.40 = 971,046,771.60 : x
  2. Step 2: Convert to fraction form
    1,277,156,787.60/1,915,735,181.40 = 971,046,771.60/x
  3. Step 3: Cross multiply
    1,277,156,787.60x = 1,915,735,181.40 × 971,046,771.60
  4. Step 4: Simplify right side
    1,277,156,787.60x = 1,860,268,463,139,010,560
  5. Step 5: Solve for x
    x = 1,860,268,463,139,010,560/1,277,156,787.60
  6. Step 6: Final answer
    x = 1,456,570,157.40

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Double scale
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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.