Home / 403,421,035.41-560,479,483.60-398,583,741.33

Finding the Fourth Proportional to 403,421,035.41, 560,479,483.60 and 398,583,741.33

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Solution

The fourth proportional to 403,421,035.41, 560,479,483.60 and 398,583,741.33 is: 553,758,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,421,035.41 : 560,479,483.60 = 398,583,741.33 : x
  2. Step 2: Convert to fraction form
    403,421,035.41/560,479,483.60 = 398,583,741.33/x
  3. Step 3: Cross multiply
    403,421,035.41x = 560,479,483.60 × 398,583,741.33
  4. Step 4: Simplify right side
    403,421,035.41x = 223,398,009,510,997,888
  5. Step 5: Solve for x
    x = 223,398,009,510,997,888/403,421,035.41
  6. Step 6: Final answer
    x = 553,758,951.32

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.