Home / 869,553,607.20-1,303,883,606.70-256,058,116.80

Finding the Fourth Proportional to 869,553,607.20, 1,303,883,606.70 and 256,058,116.80

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Solution

The fourth proportional to 869,553,607.20, 1,303,883,606.70 and 256,058,116.80 is: 383,955,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,553,607.20 : 1,303,883,606.70 = 256,058,116.80 : x
  2. Step 2: Convert to fraction form
    869,553,607.20/1,303,883,606.70 = 256,058,116.80/x
  3. Step 3: Cross multiply
    869,553,607.20x = 1,303,883,606.70 × 256,058,116.80
  4. Step 4: Simplify right side
    869,553,607.20x = 333,869,980,857,993,920
  5. Step 5: Solve for x
    x = 333,869,980,857,993,920/869,553,607.20
  6. Step 6: Final answer
    x = 383,955,604.45

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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.