Home / 708,718,814.85-1,063,129,303.91-272,019,499.68

Finding the Fourth Proportional to 708,718,814.85, 1,063,129,303.91 and 272,019,499.68

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Solution

The fourth proportional to 708,718,814.85, 1,063,129,303.91 and 272,019,499.68 is: 408,048,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,718,814.85 : 1,063,129,303.91 = 272,019,499.68 : x
  2. Step 2: Convert to fraction form
    708,718,814.85/1,063,129,303.91 = 272,019,499.68/x
  3. Step 3: Cross multiply
    708,718,814.85x = 1,063,129,303.91 × 272,019,499.68
  4. Step 4: Simplify right side
    708,718,814.85x = 289,191,901,342,675,200
  5. Step 5: Solve for x
    x = 289,191,901,342,675,200/708,718,814.85
  6. Step 6: Final answer
    x = 408,048,855.60

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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.