Home / 913,648,209.53-1,260,831,016.82-495,956,841.17

Finding the Fourth Proportional to 913,648,209.53, 1,260,831,016.82 and 495,956,841.17

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Solution

The fourth proportional to 913,648,209.53, 1,260,831,016.82 and 495,956,841.17 is: 684,418,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,648,209.53 : 1,260,831,016.82 = 495,956,841.17 : x
  2. Step 2: Convert to fraction form
    913,648,209.53/1,260,831,016.82 = 495,956,841.17/x
  3. Step 3: Cross multiply
    913,648,209.53x = 1,260,831,016.82 × 495,956,841.17
  4. Step 4: Simplify right side
    913,648,209.53x = 625,317,768,346,142,080
  5. Step 5: Solve for x
    x = 625,317,768,346,142,080/913,648,209.53
  6. Step 6: Final answer
    x = 684,418,534.21

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1.5x scale

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.