Home / 945,390,089.93-1,417,837,617.57-281,225,161.68

Finding the Fourth Proportional to 945,390,089.93, 1,417,837,617.57 and 281,225,161.68

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Solution

The fourth proportional to 945,390,089.93, 1,417,837,617.57 and 281,225,161.68 is: 421,764,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,390,089.93 : 1,417,837,617.57 = 281,225,161.68 : x
  2. Step 2: Convert to fraction form
    945,390,089.93/1,417,837,617.57 = 281,225,161.68/x
  3. Step 3: Cross multiply
    945,390,089.93x = 1,417,837,617.57 × 281,225,161.68
  4. Step 4: Simplify right side
    945,390,089.93x = 398,731,613,237,109,248
  5. Step 5: Solve for x
    x = 398,731,613,237,109,248/945,390,089.93
  6. Step 6: Final answer
    x = 421,764,113.55

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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.