Home / 704,158,342.40-1,056,232,264.80-212,870,662.40

Finding the Fourth Proportional to 704,158,342.40, 1,056,232,264.80 and 212,870,662.40

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Solution

The fourth proportional to 704,158,342.40, 1,056,232,264.80 and 212,870,662.40 is: 319,304,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,158,342.40 : 1,056,232,264.80 = 212,870,662.40 : x
  2. Step 2: Convert to fraction form
    704,158,342.40/1,056,232,264.80 = 212,870,662.40/x
  3. Step 3: Cross multiply
    704,158,342.40x = 1,056,232,264.80 × 212,870,662.40
  4. Step 4: Simplify right side
    704,158,342.40x = 224,840,861,856,228,192
  5. Step 5: Solve for x
    x = 224,840,861,856,228,192/704,158,342.40
  6. Step 6: Final answer
    x = 319,304,406.86

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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.