Home / 873,690,683.04-1,310,540,923.80-291,423,330.12

Finding the Fourth Proportional to 873,690,683.04, 1,310,540,923.80 and 291,423,330.12

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Solution

The fourth proportional to 873,690,683.04, 1,310,540,923.80 and 291,423,330.12 is: 437,136,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,690,683.04 : 1,310,540,923.80 = 291,423,330.12 : x
  2. Step 2: Convert to fraction form
    873,690,683.04/1,310,540,923.80 = 291,423,330.12/x
  3. Step 3: Cross multiply
    873,690,683.04x = 1,310,540,923.80 × 291,423,330.12
  4. Step 4: Simplify right side
    873,690,683.04x = 381,922,200,272,337,152
  5. Step 5: Solve for x
    x = 381,922,200,272,337,152/873,690,683.04
  6. Step 6: Final answer
    x = 437,136,629.34

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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.