Home / 409,426,237.80-614,139,356.70-254,458,042.20

Finding the Fourth Proportional to 409,426,237.80, 614,139,356.70 and 254,458,042.20

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Solution

The fourth proportional to 409,426,237.80, 614,139,356.70 and 254,458,042.20 is: 381,687,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,426,237.80 : 614,139,356.70 = 254,458,042.20 : x
  2. Step 2: Convert to fraction form
    409,426,237.80/614,139,356.70 = 254,458,042.20/x
  3. Step 3: Cross multiply
    409,426,237.80x = 614,139,356.70 × 254,458,042.20
  4. Step 4: Simplify right side
    409,426,237.80x = 156,272,698,343,849,472
  5. Step 5: Solve for x
    x = 156,272,698,343,849,472/409,426,237.80
  6. Step 6: Final answer
    x = 381,687,063.30

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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.