Home / 686,522,190.40-1,029,783,285.60-550,473,294.40

Finding the Fourth Proportional to 686,522,190.40, 1,029,783,285.60 and 550,473,294.40

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Solution

The fourth proportional to 686,522,190.40, 1,029,783,285.60 and 550,473,294.40 is: 825,709,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,522,190.40 : 1,029,783,285.60 = 550,473,294.40 : x
  2. Step 2: Convert to fraction form
    686,522,190.40/1,029,783,285.60 = 550,473,294.40/x
  3. Step 3: Cross multiply
    686,522,190.40x = 1,029,783,285.60 × 550,473,294.40
  4. Step 4: Simplify right side
    686,522,190.40x = 566,868,197,742,288,064
  5. Step 5: Solve for x
    x = 566,868,197,742,288,064/686,522,190.40
  6. Step 6: Final answer
    x = 825,709,941.60

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1.5x scale

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.