Home / 899,817,630.45-1,241,248,145.58-523,431,868.65

Finding the Fourth Proportional to 899,817,630.45, 1,241,248,145.58 and 523,431,868.65

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Solution

The fourth proportional to 899,817,630.45, 1,241,248,145.58 and 523,431,868.65 is: 722,045,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,817,630.45 : 1,241,248,145.58 = 523,431,868.65 : x
  2. Step 2: Convert to fraction form
    899,817,630.45/1,241,248,145.58 = 523,431,868.65/x
  3. Step 3: Cross multiply
    899,817,630.45x = 1,241,248,145.58 × 523,431,868.65
  4. Step 4: Simplify right side
    899,817,630.45x = 649,708,836,299,286,528
  5. Step 5: Solve for x
    x = 649,708,836,299,286,528/899,817,630.45
  6. Step 6: Final answer
    x = 722,045,017.03

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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.