Home / 387,096,021.60-580,693,798.80-193,106,594.40

Finding the Fourth Proportional to 387,096,021.60, 580,693,798.80 and 193,106,594.40

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Solution

The fourth proportional to 387,096,021.60, 580,693,798.80 and 193,106,594.40 is: 289,684,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,096,021.60 : 580,693,798.80 = 193,106,594.40 : x
  2. Step 2: Convert to fraction form
    387,096,021.60/580,693,798.80 = 193,106,594.40/x
  3. Step 3: Cross multiply
    387,096,021.60x = 580,693,798.80 × 193,106,594.40
  4. Step 4: Simplify right side
    387,096,021.60x = 112,135,801,875,466,800
  5. Step 5: Solve for x
    x = 112,135,801,875,466,800/387,096,021.60
  6. Step 6: Final answer
    x = 289,684,718.05

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