Home / 387,096,032.40-580,644,048.60-223,837,357.20

Finding the Fourth Proportional to 387,096,032.40, 580,644,048.60 and 223,837,357.20

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Solution

The fourth proportional to 387,096,032.40, 580,644,048.60 and 223,837,357.20 is: 335,756,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,096,032.40 : 580,644,048.60 = 223,837,357.20 : x
  2. Step 2: Convert to fraction form
    387,096,032.40/580,644,048.60 = 223,837,357.20/x
  3. Step 3: Cross multiply
    387,096,032.40x = 580,644,048.60 × 223,837,357.20
  4. Step 4: Simplify right side
    387,096,032.40x = 129,969,829,312,532,352
  5. Step 5: Solve for x
    x = 129,969,829,312,532,352/387,096,032.40
  6. Step 6: Final answer
    x = 335,756,035.80

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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.