Home / 515,403,343.50-773,226,065.69-170,356,933.57

Finding the Fourth Proportional to 515,403,343.50, 773,226,065.69 and 170,356,933.57

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Solution

The fourth proportional to 515,403,343.50, 773,226,065.69 and 170,356,933.57 is: 255,575,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,403,343.50 : 773,226,065.69 = 170,356,933.57 : x
  2. Step 2: Convert to fraction form
    515,403,343.50/773,226,065.69 = 170,356,933.57/x
  3. Step 3: Cross multiply
    515,403,343.50x = 773,226,065.69 × 170,356,933.57
  4. Step 4: Simplify right side
    515,403,343.50x = 131,724,421,507,343,792
  5. Step 5: Solve for x
    x = 131,724,421,507,343,792/515,403,343.50
  6. Step 6: Final answer
    x = 255,575,411.31

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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.