Home / 651,965,966.75-899,631,372.73-440,732,399.56

Finding the Fourth Proportional to 651,965,966.75, 899,631,372.73 and 440,732,399.56

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Solution

The fourth proportional to 651,965,966.75, 899,631,372.73 and 440,732,399.56 is: 608,155,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,965,966.75 : 899,631,372.73 = 440,732,399.56 : x
  2. Step 2: Convert to fraction form
    651,965,966.75/899,631,372.73 = 440,732,399.56/x
  3. Step 3: Cross multiply
    651,965,966.75x = 899,631,372.73 × 440,732,399.56
  4. Step 4: Simplify right side
    651,965,966.75x = 396,496,693,623,980,352
  5. Step 5: Solve for x
    x = 396,496,693,623,980,352/651,965,966.75
  6. Step 6: Final answer
    x = 608,155,507.87

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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.