Home / 407,821,032.40-611,731,548.60-367,006,363.60

Finding the Fourth Proportional to 407,821,032.40, 611,731,548.60 and 367,006,363.60

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Solution

The fourth proportional to 407,821,032.40, 611,731,548.60 and 367,006,363.60 is: 550,509,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,821,032.40 : 611,731,548.60 = 367,006,363.60 : x
  2. Step 2: Convert to fraction form
    407,821,032.40/611,731,548.60 = 367,006,363.60/x
  3. Step 3: Cross multiply
    407,821,032.40x = 611,731,548.60 × 367,006,363.60
  4. Step 4: Simplify right side
    407,821,032.40x = 224,509,371,151,082,688
  5. Step 5: Solve for x
    x = 224,509,371,151,082,688/407,821,032.40
  6. Step 6: Final answer
    x = 550,509,545.40

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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.