Home / 1,303,923,772.10-1,955,980,136.55-785,237,356.10

Finding the Fourth Proportional to 1,303,923,772.10, 1,955,980,136.55 and 785,237,356.10

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Solution

The fourth proportional to 1,303,923,772.10, 1,955,980,136.55 and 785,237,356.10 is: 1,177,912,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,923,772.10 : 1,955,980,136.55 = 785,237,356.10 : x
  2. Step 2: Convert to fraction form
    1,303,923,772.10/1,955,980,136.55 = 785,237,356.10/x
  3. Step 3: Cross multiply
    1,303,923,772.10x = 1,955,980,136.55 × 785,237,356.10
  4. Step 4: Simplify right side
    1,303,923,772.10x = 1,535,908,671,008,638,976
  5. Step 5: Solve for x
    x = 1,535,908,671,008,638,976/1,303,923,772.10
  6. Step 6: Final answer
    x = 1,177,912,930.09

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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.