Home / 999,030,771,527.52-1,495,965,318,452.10-689,496,605,333.76

Finding the Fourth Proportional to 999,030,771,527.52, 1,495,965,318,452.10 and 689,496,605,333.76

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Solution

The fourth proportional to 999,030,771,527.52, 1,495,965,318,452.10 and 689,496,605,333.76 is: 1,032,463,701,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,030,771,527.52 : 1,495,965,318,452.10 = 689,496,605,333.76 : x
  2. Step 2: Convert to fraction form
    999,030,771,527.52/1,495,965,318,452.10 = 689,496,605,333.76/x
  3. Step 3: Cross multiply
    999,030,771,527.52x = 1,495,965,318,452.10 × 689,496,605,333.76
  4. Step 4: Simplify right side
    999,030,771,527.52x = 1,031,463,008,769,760,238,239,744
  5. Step 5: Solve for x
    x = 1,031,463,008,769,760,238,239,744/999,030,771,527.52
  6. Step 6: Final answer
    x = 1,032,463,701,986.53

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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.