Home / 568,678,526.85-853,017,790.28-471,743,688.45

Finding the Fourth Proportional to 568,678,526.85, 853,017,790.28 and 471,743,688.45

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Solution

The fourth proportional to 568,678,526.85, 853,017,790.28 and 471,743,688.45 is: 707,615,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,678,526.85 : 853,017,790.28 = 471,743,688.45 : x
  2. Step 2: Convert to fraction form
    568,678,526.85/853,017,790.28 = 471,743,688.45/x
  3. Step 3: Cross multiply
    568,678,526.85x = 853,017,790.28 × 471,743,688.45
  4. Step 4: Simplify right side
    568,678,526.85x = 402,405,758,697,796,992
  5. Step 5: Solve for x
    x = 402,405,758,697,796,992/568,678,526.85
  6. Step 6: Final answer
    x = 707,615,532.68

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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.