Home / 630,670,730.40-864,004,467.42-607,091,332.32

Finding the Fourth Proportional to 630,670,730.40, 864,004,467.42 and 607,091,332.32

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Solution

The fourth proportional to 630,670,730.40, 864,004,467.42 and 607,091,332.32 is: 831,701,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,670,730.40 : 864,004,467.42 = 607,091,332.32 : x
  2. Step 2: Convert to fraction form
    630,670,730.40/864,004,467.42 = 607,091,332.32/x
  3. Step 3: Cross multiply
    630,670,730.40x = 864,004,467.42 × 607,091,332.32
  4. Step 4: Simplify right side
    630,670,730.40x = 524,529,623,256,439,872
  5. Step 5: Solve for x
    x = 524,529,623,256,439,872/630,670,730.40
  6. Step 6: Final answer
    x = 831,701,231.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.