Home / 434,641,947.20-651,994,413.60-261,746,475.20

Finding the Fourth Proportional to 434,641,947.20, 651,994,413.60 and 261,746,475.20

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Solution

The fourth proportional to 434,641,947.20, 651,994,413.60 and 261,746,475.20 is: 392,638,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,641,947.20 : 651,994,413.60 = 261,746,475.20 : x
  2. Step 2: Convert to fraction form
    434,641,947.20/651,994,413.60 = 261,746,475.20/x
  3. Step 3: Cross multiply
    434,641,947.20x = 651,994,413.60 × 261,746,475.20
  4. Step 4: Simplify right side
    434,641,947.20x = 170,657,239,609,890,944
  5. Step 5: Solve for x
    x = 170,657,239,609,890,944/434,641,947.20
  6. Step 6: Final answer
    x = 392,638,678.13

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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.