Home / 369,390,986.60-553,721,007.90-174,960,660.20

Finding the Fourth Proportional to 369,390,986.60, 553,721,007.90 and 174,960,660.20

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Solution

The fourth proportional to 369,390,986.60, 553,721,007.90 and 174,960,660.20 is: 262,267,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,390,986.60 : 553,721,007.90 = 174,960,660.20 : x
  2. Step 2: Convert to fraction form
    369,390,986.60/553,721,007.90 = 174,960,660.20/x
  3. Step 3: Cross multiply
    369,390,986.60x = 553,721,007.90 × 174,960,660.20
  4. Step 4: Simplify right side
    369,390,986.60x = 96,879,393,108,793,408
  5. Step 5: Solve for x
    x = 96,879,393,108,793,408/369,390,986.60
  6. Step 6: Final answer
    x = 262,267,885.85

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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.