Home / 354,312,077.80-531,468,116.70-340,707,188.20

Finding the Fourth Proportional to 354,312,077.80, 531,468,116.70 and 340,707,188.20

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Solution

The fourth proportional to 354,312,077.80, 531,468,116.70 and 340,707,188.20 is: 511,060,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312,077.80 : 531,468,116.70 = 340,707,188.20 : x
  2. Step 2: Convert to fraction form
    354,312,077.80/531,468,116.70 = 340,707,188.20/x
  3. Step 3: Cross multiply
    354,312,077.80x = 531,468,116.70 × 340,707,188.20
  4. Step 4: Simplify right side
    354,312,077.80x = 181,075,007,658,806,464
  5. Step 5: Solve for x
    x = 181,075,007,658,806,464/354,312,077.80
  6. Step 6: Final answer
    x = 511,060,782.30

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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.