Home / 906,897,246.96-1,251,477,939.96-505,031,723.40

Finding the Fourth Proportional to 906,897,246.96, 1,251,477,939.96 and 505,031,723.40

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Solution

The fourth proportional to 906,897,246.96, 1,251,477,939.96 and 505,031,723.40 is: 696,921,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,897,246.96 : 1,251,477,939.96 = 505,031,723.40 : x
  2. Step 2: Convert to fraction form
    906,897,246.96/1,251,477,939.96 = 505,031,723.40/x
  3. Step 3: Cross multiply
    906,897,246.96x = 1,251,477,939.96 × 505,031,723.40
  4. Step 4: Simplify right side
    906,897,246.96x = 632,036,060,815,080,576
  5. Step 5: Solve for x
    x = 632,036,060,815,080,576/906,897,246.96
  6. Step 6: Final answer
    x = 696,921,357.89

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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.