Home / 637,461,276-879,673,335.96-355,189,132.32

Finding the Fourth Proportional to 637,461,276, 879,673,335.96 and 355,189,132.32

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Solution

The fourth proportional to 637,461,276, 879,673,335.96 and 355,189,132.32 is: 490,148,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,461,276 : 879,673,335.96 = 355,189,132.32 : x
  2. Step 2: Convert to fraction form
    637,461,276/879,673,335.96 = 355,189,132.32/x
  3. Step 3: Cross multiply
    637,461,276x = 879,673,335.96 × 355,189,132.32
  4. Step 4: Simplify right side
    637,461,276x = 312,450,408,924,672,256
  5. Step 5: Solve for x
    x = 312,450,408,924,672,256/637,461,276
  6. Step 6: Final answer
    x = 490,148,061.83

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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.