Home / 707,195,874.33-975,931,207.76-385,322,317.72

Finding the Fourth Proportional to 707,195,874.33, 975,931,207.76 and 385,322,317.72

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Solution

The fourth proportional to 707,195,874.33, 975,931,207.76 and 385,322,317.72 is: 531,745,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,195,874.33 : 975,931,207.76 = 385,322,317.72 : x
  2. Step 2: Convert to fraction form
    707,195,874.33/975,931,207.76 = 385,322,317.72/x
  3. Step 3: Cross multiply
    707,195,874.33x = 975,931,207.76 × 385,322,317.72
  4. Step 4: Simplify right side
    707,195,874.33x = 376,048,074,907,885,504
  5. Step 5: Solve for x
    x = 376,048,074,907,885,504/707,195,874.33
  6. Step 6: Final answer
    x = 531,745,289.47

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1.5x scale

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.