Home / 913,311,358.60-1,260,369,683.90-495,623,643.90

Finding the Fourth Proportional to 913,311,358.60, 1,260,369,683.90 and 495,623,643.90

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Solution

The fourth proportional to 913,311,358.60, 1,260,369,683.90 and 495,623,643.90 is: 683,960,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,311,358.60 : 1,260,369,683.90 = 495,623,643.90 : x
  2. Step 2: Convert to fraction form
    913,311,358.60/1,260,369,683.90 = 495,623,643.90/x
  3. Step 3: Cross multiply
    913,311,358.60x = 1,260,369,683.90 × 495,623,643.90
  4. Step 4: Simplify right side
    913,311,358.60x = 624,669,015,395,609,216
  5. Step 5: Solve for x
    x = 624,669,015,395,609,216/913,311,358.60
  6. Step 6: Final answer
    x = 683,960,633.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.