Home / 1,648,187,065.80-2,472,280,598.70-612,833,709.60

Finding the Fourth Proportional to 1,648,187,065.80, 2,472,280,598.70 and 612,833,709.60

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Solution

The fourth proportional to 1,648,187,065.80, 2,472,280,598.70 and 612,833,709.60 is: 919,250,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,187,065.80 : 2,472,280,598.70 = 612,833,709.60 : x
  2. Step 2: Convert to fraction form
    1,648,187,065.80/2,472,280,598.70 = 612,833,709.60/x
  3. Step 3: Cross multiply
    1,648,187,065.80x = 2,472,280,598.70 × 612,833,709.60
  4. Step 4: Simplify right side
    1,648,187,065.80x = 1,515,096,890,473,429,760
  5. Step 5: Solve for x
    x = 1,515,096,890,473,429,760/1,648,187,065.80
  6. Step 6: Final answer
    x = 919,250,564.40

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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.