Home / 403,072,030.20-604,696,518.90-198,698,014.20

Finding the Fourth Proportional to 403,072,030.20, 604,696,518.90 and 198,698,014.20

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Solution

The fourth proportional to 403,072,030.20, 604,696,518.90 and 198,698,014.20 is: 298,090,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,072,030.20 : 604,696,518.90 = 198,698,014.20 : x
  2. Step 2: Convert to fraction form
    403,072,030.20/604,696,518.90 = 198,698,014.20/x
  3. Step 3: Cross multiply
    403,072,030.20x = 604,696,518.90 × 198,698,014.20
  4. Step 4: Simplify right side
    403,072,030.20x = 120,151,997,499,082,752
  5. Step 5: Solve for x
    x = 120,151,997,499,082,752/403,072,030.20
  6. Step 6: Final answer
    x = 298,090,635.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.