Home / 402,086,613.40-554,903,223.96-302,792,176.96

Finding the Fourth Proportional to 402,086,613.40, 554,903,223.96 and 302,792,176.96

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Solution

The fourth proportional to 402,086,613.40, 554,903,223.96 and 302,792,176.96 is: 417,871,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,086,613.40 : 554,903,223.96 = 302,792,176.96 : x
  2. Step 2: Convert to fraction form
    402,086,613.40/554,903,223.96 = 302,792,176.96/x
  3. Step 3: Cross multiply
    402,086,613.40x = 554,903,223.96 × 302,792,176.96
  4. Step 4: Simplify right side
    402,086,613.40x = 168,020,355,184,970,816
  5. Step 5: Solve for x
    x = 168,020,355,184,970,816/402,086,613.40
  6. Step 6: Final answer
    x = 417,871,049.63

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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.