Home / 515,407,280.36-773,232,008.04-170,360,907.80

Finding the Fourth Proportional to 515,407,280.36, 773,232,008.04 and 170,360,907.80

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Solution

The fourth proportional to 515,407,280.36, 773,232,008.04 and 170,360,907.80 is: 255,581,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,407,280.36 : 773,232,008.04 = 170,360,907.80 : x
  2. Step 2: Convert to fraction form
    515,407,280.36/773,232,008.04 = 170,360,907.80/x
  3. Step 3: Cross multiply
    515,407,280.36x = 773,232,008.04 × 170,360,907.80
  4. Step 4: Simplify right side
    515,407,280.36x = 131,728,506,825,845,120
  5. Step 5: Solve for x
    x = 131,728,506,825,845,120/515,407,280.36
  6. Step 6: Final answer
    x = 255,581,385.53

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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.