Home / 1,700,680,079.80-2,551,020,155.70-408,215,567.80

Finding the Fourth Proportional to 1,700,680,079.80, 2,551,020,155.70 and 408,215,567.80

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Solution

The fourth proportional to 1,700,680,079.80, 2,551,020,155.70 and 408,215,567.80 is: 612,323,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,680,079.80 : 2,551,020,155.70 = 408,215,567.80 : x
  2. Step 2: Convert to fraction form
    1,700,680,079.80/2,551,020,155.70 = 408,215,567.80/x
  3. Step 3: Cross multiply
    1,700,680,079.80x = 2,551,020,155.70 × 408,215,567.80
  4. Step 4: Simplify right side
    1,700,680,079.80x = 1,041,366,141,328,319,872
  5. Step 5: Solve for x
    x = 1,041,366,141,328,319,872/1,700,680,079.80
  6. Step 6: Final answer
    x = 612,323,360.34

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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.