Home / 319,240,124.40-440,551,176.80-172,562,408.40

Finding the Fourth Proportional to 319,240,124.40, 440,551,176.80 and 172,562,408.40

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Solution

The fourth proportional to 319,240,124.40, 440,551,176.80 and 172,562,408.40 is: 238,136,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,240,124.40 : 440,551,176.80 = 172,562,408.40 : x
  2. Step 2: Convert to fraction form
    319,240,124.40/440,551,176.80 = 172,562,408.40/x
  3. Step 3: Cross multiply
    319,240,124.40x = 440,551,176.80 × 172,562,408.40
  4. Step 4: Simplify right side
    319,240,124.40x = 76,022,572,092,062,208
  5. Step 5: Solve for x
    x = 76,022,572,092,062,208/319,240,124.40
  6. Step 6: Final answer
    x = 238,136,018.26

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1.5x scale

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.