Home / 848,192,752.60-1,272,289,128.90-686,949,616.60

Finding the Fourth Proportional to 848,192,752.60, 1,272,289,128.90 and 686,949,616.60

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Solution

The fourth proportional to 848,192,752.60, 1,272,289,128.90 and 686,949,616.60 is: 1,030,424,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,192,752.60 : 1,272,289,128.90 = 686,949,616.60 : x
  2. Step 2: Convert to fraction form
    848,192,752.60/1,272,289,128.90 = 686,949,616.60/x
  3. Step 3: Cross multiply
    848,192,752.60x = 1,272,289,128.90 × 686,949,616.60
  4. Step 4: Simplify right side
    848,192,752.60x = 873,998,529,302,203,136
  5. Step 5: Solve for x
    x = 873,998,529,302,203,136/848,192,752.60
  6. Step 6: Final answer
    x = 1,030,424,424.90

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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.