Home / 353,158,337.06-487,354,637.48-194,385,065.34

Finding the Fourth Proportional to 353,158,337.06, 487,354,637.48 and 194,385,065.34

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Solution

The fourth proportional to 353,158,337.06, 487,354,637.48 and 194,385,065.34 is: 268,249,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,158,337.06 : 487,354,637.48 = 194,385,065.34 : x
  2. Step 2: Convert to fraction form
    353,158,337.06/487,354,637.48 = 194,385,065.34/x
  3. Step 3: Cross multiply
    353,158,337.06x = 487,354,637.48 × 194,385,065.34
  4. Step 4: Simplify right side
    353,158,337.06x = 94,734,463,050,301,824
  5. Step 5: Solve for x
    x = 94,734,463,050,301,824/353,158,337.06
  6. Step 6: Final answer
    x = 268,249,261.33

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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.