Home / 785,019,751.20-1,083,334,420.98-432,608,386.32

Finding the Fourth Proportional to 785,019,751.20, 1,083,334,420.98 and 432,608,386.32

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Solution

The fourth proportional to 785,019,751.20, 1,083,334,420.98 and 432,608,386.32 is: 597,003,521.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,019,751.20 : 1,083,334,420.98 = 432,608,386.32 : x
  2. Step 2: Convert to fraction form
    785,019,751.20/1,083,334,420.98 = 432,608,386.32/x
  3. Step 3: Cross multiply
    785,019,751.20x = 1,083,334,420.98 × 432,608,386.32
  4. Step 4: Simplify right side
    785,019,751.20x = 468,659,555,705,069,376
  5. Step 5: Solve for x
    x = 468,659,555,705,069,376/785,019,751.20
  6. Step 6: Final answer
    x = 597,003,521.23

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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.