Home / 371,716,904.07-512,969,590.71-204,465,890.16

Finding the Fourth Proportional to 371,716,904.07, 512,969,590.71 and 204,465,890.16

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Solution

The fourth proportional to 371,716,904.07, 512,969,590.71 and 204,465,890.16 is: 282,163,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,716,904.07 : 512,969,590.71 = 204,465,890.16 : x
  2. Step 2: Convert to fraction form
    371,716,904.07/512,969,590.71 = 204,465,890.16/x
  3. Step 3: Cross multiply
    371,716,904.07x = 512,969,590.71 × 204,465,890.16
  4. Step 4: Simplify right side
    371,716,904.07x = 104,884,783,989,531,008
  5. Step 5: Solve for x
    x = 104,884,783,989,531,008/371,716,904.07
  6. Step 6: Final answer
    x = 282,163,073.14

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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.