Home / 786,794,775.46-1,085,771,168.49-429,562,540.96

Finding the Fourth Proportional to 786,794,775.46, 1,085,771,168.49 and 429,562,540.96

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Solution

The fourth proportional to 786,794,775.46, 1,085,771,168.49 and 429,562,540.96 is: 592,793,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,794,775.46 : 1,085,771,168.49 = 429,562,540.96 : x
  2. Step 2: Convert to fraction form
    786,794,775.46/1,085,771,168.49 = 429,562,540.96/x
  3. Step 3: Cross multiply
    786,794,775.46x = 1,085,771,168.49 × 429,562,540.96
  4. Step 4: Simplify right side
    786,794,775.46x = 466,406,622,037,672,640
  5. Step 5: Solve for x
    x = 466,406,622,037,672,640/786,794,775.46
  6. Step 6: Final answer
    x = 592,793,237.30

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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.