Home / 528,272,001.40-792,408,002.10-164,765,774.20

Finding the Fourth Proportional to 528,272,001.40, 792,408,002.10 and 164,765,774.20

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Solution

The fourth proportional to 528,272,001.40, 792,408,002.10 and 164,765,774.20 is: 247,148,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,272,001.40 : 792,408,002.10 = 164,765,774.20 : x
  2. Step 2: Convert to fraction form
    528,272,001.40/792,408,002.10 = 164,765,774.20/x
  3. Step 3: Cross multiply
    528,272,001.40x = 792,408,002.10 × 164,765,774.20
  4. Step 4: Simplify right side
    528,272,001.40x = 130,561,717,948,281,728
  5. Step 5: Solve for x
    x = 130,561,717,948,281,728/528,272,001.40
  6. Step 6: Final answer
    x = 247,148,661.30

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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.