Home / 630,613,311.04-870,253,673.06-348,349,904.42

Finding the Fourth Proportional to 630,613,311.04, 870,253,673.06 and 348,349,904.42

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Solution

The fourth proportional to 630,613,311.04, 870,253,673.06 and 348,349,904.42 is: 480,726,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,613,311.04 : 870,253,673.06 = 348,349,904.42 : x
  2. Step 2: Convert to fraction form
    630,613,311.04/870,253,673.06 = 348,349,904.42/x
  3. Step 3: Cross multiply
    630,613,311.04x = 870,253,673.06 × 348,349,904.42
  4. Step 4: Simplify right side
    630,613,311.04x = 303,152,783,829,863,168
  5. Step 5: Solve for x
    x = 303,152,783,829,863,168/630,613,311.04
  6. Step 6: Final answer
    x = 480,726,902.72

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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.