Home / 739,703,900.52-1,020,788,835.30-426,436,620.84

Finding the Fourth Proportional to 739,703,900.52, 1,020,788,835.30 and 426,436,620.84

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Solution

The fourth proportional to 739,703,900.52, 1,020,788,835.30 and 426,436,620.84 is: 588,481,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,703,900.52 : 1,020,788,835.30 = 426,436,620.84 : x
  2. Step 2: Convert to fraction form
    739,703,900.52/1,020,788,835.30 = 426,436,620.84/x
  3. Step 3: Cross multiply
    739,703,900.52x = 1,020,788,835.30 × 426,436,620.84
  4. Step 4: Simplify right side
    739,703,900.52x = 435,301,741,516,531,264
  5. Step 5: Solve for x
    x = 435,301,741,516,531,264/739,703,900.52
  6. Step 6: Final answer
    x = 588,481,068.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.