Home / 914,275,692.41-1,261,678,995.23-537,956,654.63

Finding the Fourth Proportional to 914,275,692.41, 1,261,678,995.23 and 537,956,654.63

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Solution

The fourth proportional to 914,275,692.41, 1,261,678,995.23 and 537,956,654.63 is: 742,367,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,275,692.41 : 1,261,678,995.23 = 537,956,654.63 : x
  2. Step 2: Convert to fraction form
    914,275,692.41/1,261,678,995.23 = 537,956,654.63/x
  3. Step 3: Cross multiply
    914,275,692.41x = 1,261,678,995.23 × 537,956,654.63
  4. Step 4: Simplify right side
    914,275,692.41x = 678,728,611,481,872,256
  5. Step 5: Solve for x
    x = 678,728,611,481,872,256/914,275,692.41
  6. Step 6: Final answer
    x = 742,367,556.22

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Double scale
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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.