Home / 918,334,422,341.70-1,377,501,633,512.50-825,766,753,503.30

Finding the Fourth Proportional to 918,334,422,341.70, 1,377,501,633,512.50 and 825,766,753,503.30

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Solution

The fourth proportional to 918,334,422,341.70, 1,377,501,633,512.50 and 825,766,753,503.30 is: 1,238,650,130,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,334,422,341.70 : 1,377,501,633,512.50 = 825,766,753,503.30 : x
  2. Step 2: Convert to fraction form
    918,334,422,341.70/1,377,501,633,512.50 = 825,766,753,503.30/x
  3. Step 3: Cross multiply
    918,334,422,341.70x = 1,377,501,633,512.50 × 825,766,753,503.30
  4. Step 4: Simplify right side
    918,334,422,341.70x = 1,137,495,051,851,109,735,858,176
  5. Step 5: Solve for x
    x = 1,137,495,051,851,109,735,858,176/918,334,422,341.70
  6. Step 6: Final answer
    x = 1,238,650,130,254.91

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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.