Home / 521,520,774,421.73-782,281,161,632.62-521,520,774,421.73

Finding the Fourth Proportional to 521,520,774,421.73, 782,281,161,632.62 and 521,520,774,421.73

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Solution

The fourth proportional to 521,520,774,421.73, 782,281,161,632.62 and 521,520,774,421.73 is: 782,281,161,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,774,421.73 : 782,281,161,632.62 = 521,520,774,421.73 : x
  2. Step 2: Convert to fraction form
    521,520,774,421.73/782,281,161,632.62 = 521,520,774,421.73/x
  3. Step 3: Cross multiply
    521,520,774,421.73x = 782,281,161,632.62 × 521,520,774,421.73
  4. Step 4: Simplify right side
    521,520,774,421.73x = 407,975,877,230,174,507,368,448
  5. Step 5: Solve for x
    x = 407,975,877,230,174,507,368,448/521,520,774,421.73
  6. Step 6: Final answer
    x = 782,281,161,632.62

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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.