Home / 400,014,510.78-603,019,955.94-373,349,458.74

Finding the Fourth Proportional to 400,014,510.78, 603,019,955.94 and 373,349,458.74

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Solution

The fourth proportional to 400,014,510.78, 603,019,955.94 and 373,349,458.74 is: 562,822,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,014,510.78 : 603,019,955.94 = 373,349,458.74 : x
  2. Step 2: Convert to fraction form
    400,014,510.78/603,019,955.94 = 373,349,458.74/x
  3. Step 3: Cross multiply
    400,014,510.78x = 603,019,955.94 × 373,349,458.74
  4. Step 4: Simplify right side
    400,014,510.78x = 225,137,174,159,617,664
  5. Step 5: Solve for x
    x = 225,137,174,159,617,664/400,014,510.78
  6. Step 6: Final answer
    x = 562,822,517.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.