Home / 1,076,745,793.05-1,615,118,689.58-921,777,597.45

Finding the Fourth Proportional to 1,076,745,793.05, 1,615,118,689.58 and 921,777,597.45

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Solution

The fourth proportional to 1,076,745,793.05, 1,615,118,689.58 and 921,777,597.45 is: 1,382,666,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,745,793.05 : 1,615,118,689.58 = 921,777,597.45 : x
  2. Step 2: Convert to fraction form
    1,076,745,793.05/1,615,118,689.58 = 921,777,597.45/x
  3. Step 3: Cross multiply
    1,076,745,793.05x = 1,615,118,689.58 × 921,777,597.45
  4. Step 4: Simplify right side
    1,076,745,793.05x = 1,488,780,225,273,036,032
  5. Step 5: Solve for x
    x = 1,488,780,225,273,036,032/1,076,745,793.05
  6. Step 6: Final answer
    x = 1,382,666,396.18

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Double scale
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Similar ratio
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1.5x scale

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.