Home / 666,144,078.60-999,216,117.90-654,806,670.60

Finding the Fourth Proportional to 666,144,078.60, 999,216,117.90 and 654,806,670.60

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Solution

The fourth proportional to 666,144,078.60, 999,216,117.90 and 654,806,670.60 is: 982,210,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,144,078.60 : 999,216,117.90 = 654,806,670.60 : x
  2. Step 2: Convert to fraction form
    666,144,078.60/999,216,117.90 = 654,806,670.60/x
  3. Step 3: Cross multiply
    666,144,078.60x = 999,216,117.90 × 654,806,670.60
  4. Step 4: Simplify right side
    666,144,078.60x = 654,293,379,371,956,096
  5. Step 5: Solve for x
    x = 654,293,379,371,956,096/666,144,078.60
  6. Step 6: Final answer
    x = 982,210,005.90

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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.