Home / 452,879,022,242.95-679,314,056,665.12-207,484,543,309.78

Finding the Fourth Proportional to 452,879,022,242.95, 679,314,056,665.12 and 207,484,543,309.78

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Solution

The fourth proportional to 452,879,022,242.95, 679,314,056,665.12 and 207,484,543,309.78 is: 311,224,763,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,879,022,242.95 : 679,314,056,665.12 = 207,484,543,309.78 : x
  2. Step 2: Convert to fraction form
    452,879,022,242.95/679,314,056,665.12 = 207,484,543,309.78/x
  3. Step 3: Cross multiply
    452,879,022,242.95x = 679,314,056,665.12 × 207,484,543,309.78
  4. Step 4: Simplify right side
    452,879,022,242.95x = 140,947,166,811,076,436,164,608
  5. Step 5: Solve for x
    x = 140,947,166,811,076,436,164,608/452,879,022,242.95
  6. Step 6: Final answer
    x = 311,224,763,984.46

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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.