Home / 406,258,782.37-609,196,073.78-157,380,607.49

Finding the Fourth Proportional to 406,258,782.37, 609,196,073.78 and 157,380,607.49

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Solution

The fourth proportional to 406,258,782.37, 609,196,073.78 and 157,380,607.49 is: 235,996,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,258,782.37 : 609,196,073.78 = 157,380,607.49 : x
  2. Step 2: Convert to fraction form
    406,258,782.37/609,196,073.78 = 157,380,607.49/x
  3. Step 3: Cross multiply
    406,258,782.37x = 609,196,073.78 × 157,380,607.49
  4. Step 4: Simplify right side
    406,258,782.37x = 95,875,648,169,366,752
  5. Step 5: Solve for x
    x = 95,875,648,169,366,752/406,258,782.37
  6. Step 6: Final answer
    x = 235,996,493.69

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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.