Home / 581,552,006.40-872,328,009.60-213,086,246.40

Finding the Fourth Proportional to 581,552,006.40, 872,328,009.60 and 213,086,246.40

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Solution

The fourth proportional to 581,552,006.40, 872,328,009.60 and 213,086,246.40 is: 319,629,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,552,006.40 : 872,328,009.60 = 213,086,246.40 : x
  2. Step 2: Convert to fraction form
    581,552,006.40/872,328,009.60 = 213,086,246.40/x
  3. Step 3: Cross multiply
    581,552,006.40x = 872,328,009.60 × 213,086,246.40
  4. Step 4: Simplify right side
    581,552,006.40x = 185,881,101,195,247,168
  5. Step 5: Solve for x
    x = 185,881,101,195,247,168/581,552,006.40
  6. Step 6: Final answer
    x = 319,629,369.60

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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.