Home / 418,903,596,956.12-628,355,403,737.58-100,549,795,679.72

Finding the Fourth Proportional to 418,903,596,956.12, 628,355,403,737.58 and 100,549,795,679.72

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Solution

The fourth proportional to 418,903,596,956.12, 628,355,403,737.58 and 100,549,795,679.72 is: 150,824,695,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,903,596,956.12 : 628,355,403,737.58 = 100,549,795,679.72 : x
  2. Step 2: Convert to fraction form
    418,903,596,956.12/628,355,403,737.58 = 100,549,795,679.72/x
  3. Step 3: Cross multiply
    418,903,596,956.12x = 628,355,403,737.58 × 100,549,795,679.72
  4. Step 4: Simplify right side
    418,903,596,956.12x = 63,181,007,460,061,637,771,264
  5. Step 5: Solve for x
    x = 63,181,007,460,061,637,771,264/418,903,596,956.12
  6. Step 6: Final answer
    x = 150,824,695,512.65

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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.