Home / 699,897,347.40-1,049,846,021.10-440,270,704.20

Finding the Fourth Proportional to 699,897,347.40, 1,049,846,021.10 and 440,270,704.20

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Solution

The fourth proportional to 699,897,347.40, 1,049,846,021.10 and 440,270,704.20 is: 660,406,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,897,347.40 : 1,049,846,021.10 = 440,270,704.20 : x
  2. Step 2: Convert to fraction form
    699,897,347.40/1,049,846,021.10 = 440,270,704.20/x
  3. Step 3: Cross multiply
    699,897,347.40x = 1,049,846,021.10 × 440,270,704.20
  4. Step 4: Simplify right side
    699,897,347.40x = 462,216,447,011,265,088
  5. Step 5: Solve for x
    x = 462,216,447,011,265,088/699,897,347.40
  6. Step 6: Final answer
    x = 660,406,056.30

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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.