Home / 786,811,892.40-1,180,217,838.60-557,040,423.60

Finding the Fourth Proportional to 786,811,892.40, 1,180,217,838.60 and 557,040,423.60

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Solution

The fourth proportional to 786,811,892.40, 1,180,217,838.60 and 557,040,423.60 is: 835,560,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,811,892.40 : 1,180,217,838.60 = 557,040,423.60 : x
  2. Step 2: Convert to fraction form
    786,811,892.40/1,180,217,838.60 = 557,040,423.60/x
  3. Step 3: Cross multiply
    786,811,892.40x = 1,180,217,838.60 × 557,040,423.60
  4. Step 4: Simplify right side
    786,811,892.40x = 657,429,044,754,020,352
  5. Step 5: Solve for x
    x = 657,429,044,754,020,352/786,811,892.40
  6. Step 6: Final answer
    x = 835,560,635.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.