Home / 763,932,666.86-1,145,429,723.31-297,049,873.94

Finding the Fourth Proportional to 763,932,666.86, 1,145,429,723.31 and 297,049,873.94

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Solution

The fourth proportional to 763,932,666.86, 1,145,429,723.31 and 297,049,873.94 is: 445,392,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,932,666.86 : 1,145,429,723.31 = 297,049,873.94 : x
  2. Step 2: Convert to fraction form
    763,932,666.86/1,145,429,723.31 = 297,049,873.94/x
  3. Step 3: Cross multiply
    763,932,666.86x = 1,145,429,723.31 × 297,049,873.94
  4. Step 4: Simplify right side
    763,932,666.86x = 340,249,754,918,129,024
  5. Step 5: Solve for x
    x = 340,249,754,918,129,024/763,932,666.86
  6. Step 6: Final answer
    x = 445,392,335.84

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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.