Home / 648,554,546.94-972,423,113.85-550,220,611.74

Finding the Fourth Proportional to 648,554,546.94, 972,423,113.85 and 550,220,611.74

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Solution

The fourth proportional to 648,554,546.94, 972,423,113.85 and 550,220,611.74 is: 824,984,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,554,546.94 : 972,423,113.85 = 550,220,611.74 : x
  2. Step 2: Convert to fraction form
    648,554,546.94/972,423,113.85 = 550,220,611.74/x
  3. Step 3: Cross multiply
    648,554,546.94x = 972,423,113.85 × 550,220,611.74
  4. Step 4: Simplify right side
    648,554,546.94x = 535,047,240,572,662,720
  5. Step 5: Solve for x
    x = 535,047,240,572,662,720/648,554,546.94
  6. Step 6: Final answer
    x = 824,984,179.20

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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.