Home / 387,072,030.40-580,608,045.60-357,510,788.80

Finding the Fourth Proportional to 387,072,030.40, 580,608,045.60 and 357,510,788.80

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Solution

The fourth proportional to 387,072,030.40, 580,608,045.60 and 357,510,788.80 is: 536,266,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,072,030.40 : 580,608,045.60 = 357,510,788.80 : x
  2. Step 2: Convert to fraction form
    387,072,030.40/580,608,045.60 = 357,510,788.80/x
  3. Step 3: Cross multiply
    387,072,030.40x = 580,608,045.60 × 357,510,788.80
  4. Step 4: Simplify right side
    387,072,030.40x = 207,573,640,366,082,400
  5. Step 5: Solve for x
    x = 207,573,640,366,082,400/387,072,030.40
  6. Step 6: Final answer
    x = 536,266,183.20

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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.