Home / 530,152,758,161.65-731,613,040,591.65-298,669,054,956.48

Finding the Fourth Proportional to 530,152,758,161.65, 731,613,040,591.65 and 298,669,054,956.48

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Solution

The fourth proportional to 530,152,758,161.65, 731,613,040,591.65 and 298,669,054,956.48 is: 412,164,554,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,152,758,161.65 : 731,613,040,591.65 = 298,669,054,956.48 : x
  2. Step 2: Convert to fraction form
    530,152,758,161.65/731,613,040,591.65 = 298,669,054,956.48/x
  3. Step 3: Cross multiply
    530,152,758,161.65x = 731,613,040,591.65 × 298,669,054,956.48
  4. Step 4: Simplify right side
    530,152,758,161.65x = 218,510,175,427,344,931,487,744
  5. Step 5: Solve for x
    x = 218,510,175,427,344,931,487,744/530,152,758,161.65
  6. Step 6: Final answer
    x = 412,164,554,580.55

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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.