Home / 786,569,096,921.90-1,085,453,896,129.90-439,344,316,689.42

Finding the Fourth Proportional to 786,569,096,921.90, 1,085,453,896,129.90 and 439,344,316,689.42

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Solution

The fourth proportional to 786,569,096,921.90, 1,085,453,896,129.90 and 439,344,316,689.42 is: 606,288,757,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,569,096,921.90 : 1,085,453,896,129.90 = 439,344,316,689.42 : x
  2. Step 2: Convert to fraction form
    786,569,096,921.90/1,085,453,896,129.90 = 439,344,316,689.42/x
  3. Step 3: Cross multiply
    786,569,096,921.90x = 1,085,453,896,129.90 × 439,344,316,689.42
  4. Step 4: Simplify right side
    786,569,096,921.90x = 476,888,000,293,059,570,958,336
  5. Step 5: Solve for x
    x = 476,888,000,293,059,570,958,336/786,569,096,921.90
  6. Step 6: Final answer
    x = 606,288,757,286.90

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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.