Home / 463,648,666.40-695,472,999.60-415,275,725.60

Finding the Fourth Proportional to 463,648,666.40, 695,472,999.60 and 415,275,725.60

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Solution

The fourth proportional to 463,648,666.40, 695,472,999.60 and 415,275,725.60 is: 622,913,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,648,666.40 : 695,472,999.60 = 415,275,725.60 : x
  2. Step 2: Convert to fraction form
    463,648,666.40/695,472,999.60 = 415,275,725.60/x
  3. Step 3: Cross multiply
    463,648,666.40x = 695,472,999.60 × 415,275,725.60
  4. Step 4: Simplify right side
    463,648,666.40x = 288,813,054,544,098,560
  5. Step 5: Solve for x
    x = 288,813,054,544,098,560/463,648,666.40
  6. Step 6: Final answer
    x = 622,913,588.40

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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.