Home / 676,159,021.85-1,012,780,808.96-456,602,045.90

Finding the Fourth Proportional to 676,159,021.85, 1,012,780,808.96 and 456,602,045.90

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Solution

The fourth proportional to 676,159,021.85, 1,012,780,808.96 and 456,602,045.90 is: 683,918,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,159,021.85 : 1,012,780,808.96 = 456,602,045.90 : x
  2. Step 2: Convert to fraction form
    676,159,021.85/1,012,780,808.96 = 456,602,045.90/x
  3. Step 3: Cross multiply
    676,159,021.85x = 1,012,780,808.96 × 456,602,045.90
  4. Step 4: Simplify right side
    676,159,021.85x = 462,437,789,412,046,144
  5. Step 5: Solve for x
    x = 462,437,789,412,046,144/676,159,021.85
  6. Step 6: Final answer
    x = 683,918,685.50

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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.