Home / 891,030,072.96-1,337,857,123.68-498,326,295.36

Finding the Fourth Proportional to 891,030,072.96, 1,337,857,123.68 and 498,326,295.36

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Solution

The fourth proportional to 891,030,072.96, 1,337,857,123.68 and 498,326,295.36 is: 748,223,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,030,072.96 : 1,337,857,123.68 = 498,326,295.36 : x
  2. Step 2: Convert to fraction form
    891,030,072.96/1,337,857,123.68 = 498,326,295.36/x
  3. Step 3: Cross multiply
    891,030,072.96x = 1,337,857,123.68 × 498,326,295.36
  4. Step 4: Simplify right side
    891,030,072.96x = 666,689,384,164,439,808
  5. Step 5: Solve for x
    x = 666,689,384,164,439,808/891,030,072.96
  6. Step 6: Final answer
    x = 748,223,213.11

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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.