Home / 326,779,533.60-489,665,415.60-283,445,440.80

Finding the Fourth Proportional to 326,779,533.60, 489,665,415.60 and 283,445,440.80

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Solution

The fourth proportional to 326,779,533.60, 489,665,415.60 and 283,445,440.80 is: 424,731,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,779,533.60 : 489,665,415.60 = 283,445,440.80 : x
  2. Step 2: Convert to fraction form
    326,779,533.60/489,665,415.60 = 283,445,440.80/x
  3. Step 3: Cross multiply
    326,779,533.60x = 489,665,415.60 × 283,445,440.80
  4. Step 4: Simplify right side
    326,779,533.60x = 138,793,429,569,257,216
  5. Step 5: Solve for x
    x = 138,793,429,569,257,216/326,779,533.60
  6. Step 6: Final answer
    x = 424,731,096.35

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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.