Home / 612,609,783.80-919,357,328.50-243,932,263.96

Finding the Fourth Proportional to 612,609,783.80, 919,357,328.50 and 243,932,263.96

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Solution

The fourth proportional to 612,609,783.80, 919,357,328.50 and 243,932,263.96 is: 366,074,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,609,783.80 : 919,357,328.50 = 243,932,263.96 : x
  2. Step 2: Convert to fraction form
    612,609,783.80/919,357,328.50 = 243,932,263.96/x
  3. Step 3: Cross multiply
    612,609,783.80x = 919,357,328.50 × 243,932,263.96
  4. Step 4: Simplify right side
    612,609,783.80x = 224,260,914,529,222,432
  5. Step 5: Solve for x
    x = 224,260,914,529,222,432/612,609,783.80
  6. Step 6: Final answer
    x = 366,074,653.82

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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.