Home / 1,920,678,548.90-2,649,724,775.85-1,285,803,587.24

Finding the Fourth Proportional to 1,920,678,548.90, 2,649,724,775.85 and 1,285,803,587.24

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Solution

The fourth proportional to 1,920,678,548.90, 2,649,724,775.85 and 1,285,803,587.24 is: 1,773,865,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,678,548.90 : 2,649,724,775.85 = 1,285,803,587.24 : x
  2. Step 2: Convert to fraction form
    1,920,678,548.90/2,649,724,775.85 = 1,285,803,587.24/x
  3. Step 3: Cross multiply
    1,920,678,548.90x = 2,649,724,775.85 × 1,285,803,587.24
  4. Step 4: Simplify right side
    1,920,678,548.90x = 3,407,025,621,980,656,640
  5. Step 5: Solve for x
    x = 3,407,025,621,980,656,640/1,920,678,548.90
  6. Step 6: Final answer
    x = 1,773,865,608.03

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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.