Home / 660,596,832.18-911,649,894.57-363,263,451.30

Finding the Fourth Proportional to 660,596,832.18, 911,649,894.57 and 363,263,451.30

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Solution

The fourth proportional to 660,596,832.18, 911,649,894.57 and 363,263,451.30 is: 501,318,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,596,832.18 : 911,649,894.57 = 363,263,451.30 : x
  2. Step 2: Convert to fraction form
    660,596,832.18/911,649,894.57 = 363,263,451.30/x
  3. Step 3: Cross multiply
    660,596,832.18x = 911,649,894.57 × 363,263,451.30
  4. Step 4: Simplify right side
    660,596,832.18x = 331,169,087,078,779,328
  5. Step 5: Solve for x
    x = 331,169,087,078,779,328/660,596,832.18
  6. Step 6: Final answer
    x = 501,318,006.61

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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.