Home / 786,794,774.46-1,085,771,167.11-429,562,539.96

Finding the Fourth Proportional to 786,794,774.46, 1,085,771,167.11 and 429,562,539.96

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Solution

The fourth proportional to 786,794,774.46, 1,085,771,167.11 and 429,562,539.96 is: 592,793,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,794,774.46 : 1,085,771,167.11 = 429,562,539.96 : x
  2. Step 2: Convert to fraction form
    786,794,774.46/1,085,771,167.11 = 429,562,539.96/x
  3. Step 3: Cross multiply
    786,794,774.46x = 1,085,771,167.11 × 429,562,539.96
  4. Step 4: Simplify right side
    786,794,774.46x = 466,406,620,359,105,152
  5. Step 5: Solve for x
    x = 466,406,620,359,105,152/786,794,774.46
  6. Step 6: Final answer
    x = 592,793,235.92

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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.