Home / 668,489,541.68-1,000,388,390.52-537,008,739.50

Finding the Fourth Proportional to 668,489,541.68, 1,000,388,390.52 and 537,008,739.50

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Solution

The fourth proportional to 668,489,541.68, 1,000,388,390.52 and 537,008,739.50 is: 803,628,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,489,541.68 : 1,000,388,390.52 = 537,008,739.50 : x
  2. Step 2: Convert to fraction form
    668,489,541.68/1,000,388,390.52 = 537,008,739.50/x
  3. Step 3: Cross multiply
    668,489,541.68x = 1,000,388,390.52 × 537,008,739.50
  4. Step 4: Simplify right side
    668,489,541.68x = 537,217,308,603,578,944
  5. Step 5: Solve for x
    x = 537,217,308,603,578,944/668,489,541.68
  6. Step 6: Final answer
    x = 803,628,591.19

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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.