Home / 704,188,886.40-1,056,278,080.80-212,901,206.40

Finding the Fourth Proportional to 704,188,886.40, 1,056,278,080.80 and 212,901,206.40

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Solution

The fourth proportional to 704,188,886.40, 1,056,278,080.80 and 212,901,206.40 is: 319,350,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,188,886.40 : 1,056,278,080.80 = 212,901,206.40 : x
  2. Step 2: Convert to fraction form
    704,188,886.40/1,056,278,080.80 = 212,901,206.40/x
  3. Step 3: Cross multiply
    704,188,886.40x = 1,056,278,080.80 × 212,901,206.40
  4. Step 4: Simplify right side
    704,188,886.40x = 224,882,877,696,196,672
  5. Step 5: Solve for x
    x = 224,882,877,696,196,672/704,188,886.40
  6. Step 6: Final answer
    x = 319,350,222.70

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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.