Home / 558,077,337.44-770,140,614.12-307,176,365

Finding the Fourth Proportional to 558,077,337.44, 770,140,614.12 and 307,176,365

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Solution

The fourth proportional to 558,077,337.44, 770,140,614.12 and 307,176,365 is: 423,900,019.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,077,337.44 : 770,140,614.12 = 307,176,365 : x
  2. Step 2: Convert to fraction form
    558,077,337.44/770,140,614.12 = 307,176,365/x
  3. Step 3: Cross multiply
    558,077,337.44x = 770,140,614.12 × 307,176,365
  4. Step 4: Simplify right side
    558,077,337.44x = 236,568,994,384,249,280
  5. Step 5: Solve for x
    x = 236,568,994,384,249,280/558,077,337.44
  6. Step 6: Final answer
    x = 423,900,019.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.