Home / 1,227,600,272.95-1,694,089,056.33-663,085,151.98

Finding the Fourth Proportional to 1,227,600,272.95, 1,694,089,056.33 and 663,085,151.98

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Solution

The fourth proportional to 1,227,600,272.95, 1,694,089,056.33 and 663,085,151.98 is: 915,057,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,600,272.95 : 1,694,089,056.33 = 663,085,151.98 : x
  2. Step 2: Convert to fraction form
    1,227,600,272.95/1,694,089,056.33 = 663,085,151.98/x
  3. Step 3: Cross multiply
    1,227,600,272.95x = 1,694,089,056.33 × 663,085,151.98
  4. Step 4: Simplify right side
    1,227,600,272.95x = 1,123,325,299,379,997,440
  5. Step 5: Solve for x
    x = 1,123,325,299,379,997,440/1,227,600,272.95
  6. Step 6: Final answer
    x = 915,057,876.85

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1.5x scale

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.