Home / 1,399,691,916.80-2,099,537,875.20-880,438,630.40

Finding the Fourth Proportional to 1,399,691,916.80, 2,099,537,875.20 and 880,438,630.40

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Solution

The fourth proportional to 1,399,691,916.80, 2,099,537,875.20 and 880,438,630.40 is: 1,320,657,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,691,916.80 : 2,099,537,875.20 = 880,438,630.40 : x
  2. Step 2: Convert to fraction form
    1,399,691,916.80/2,099,537,875.20 = 880,438,630.40/x
  3. Step 3: Cross multiply
    1,399,691,916.80x = 2,099,537,875.20 × 880,438,630.40
  4. Step 4: Simplify right side
    1,399,691,916.80x = 1,848,514,251,314,014,208
  5. Step 5: Solve for x
    x = 1,848,514,251,314,014,208/1,399,691,916.80
  6. Step 6: Final answer
    x = 1,320,657,945.60

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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.