Home / 804,536,294.90-1,206,804,442.35-287,550,490.10

Finding the Fourth Proportional to 804,536,294.90, 1,206,804,442.35 and 287,550,490.10

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Solution

The fourth proportional to 804,536,294.90, 1,206,804,442.35 and 287,550,490.10 is: 431,325,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,536,294.90 : 1,206,804,442.35 = 287,550,490.10 : x
  2. Step 2: Convert to fraction form
    804,536,294.90/1,206,804,442.35 = 287,550,490.10/x
  3. Step 3: Cross multiply
    804,536,294.90x = 1,206,804,442.35 × 287,550,490.10
  4. Step 4: Simplify right side
    804,536,294.90x = 347,017,208,852,599,680
  5. Step 5: Solve for x
    x = 347,017,208,852,599,680/804,536,294.90
  6. Step 6: Final answer
    x = 431,325,735.15

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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.