Home / 506,768,665.76-759,875,888.22-402,394,476.72

Finding the Fourth Proportional to 506,768,665.76, 759,875,888.22 and 402,394,476.72

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Solution

The fourth proportional to 506,768,665.76, 759,875,888.22 and 402,394,476.72 is: 603,371,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,768,665.76 : 759,875,888.22 = 402,394,476.72 : x
  2. Step 2: Convert to fraction form
    506,768,665.76/759,875,888.22 = 402,394,476.72/x
  3. Step 3: Cross multiply
    506,768,665.76x = 759,875,888.22 × 402,394,476.72
  4. Step 4: Simplify right side
    506,768,665.76x = 305,769,860,412,432,128
  5. Step 5: Solve for x
    x = 305,769,860,412,432,128/506,768,665.76
  6. Step 6: Final answer
    x = 603,371,678.39

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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.