Home / 1,275,563,213.10-1,760,277,219.46-688,852,349.10

Finding the Fourth Proportional to 1,275,563,213.10, 1,760,277,219.46 and 688,852,349.10

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Solution

The fourth proportional to 1,275,563,213.10, 1,760,277,219.46 and 688,852,349.10 is: 950,616,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,563,213.10 : 1,760,277,219.46 = 688,852,349.10 : x
  2. Step 2: Convert to fraction form
    1,275,563,213.10/1,760,277,219.46 = 688,852,349.10/x
  3. Step 3: Cross multiply
    1,275,563,213.10x = 1,760,277,219.46 × 688,852,349.10
  4. Step 4: Simplify right side
    1,275,563,213.10x = 1,212,571,097,692,237,312
  5. Step 5: Solve for x
    x = 1,212,571,097,692,237,312/1,275,563,213.10
  6. Step 6: Final answer
    x = 950,616,233.86

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Double scale
Find fourth proportional to 1,275,563,214.10, 1,760,277,220.84 and 688,852,350.10
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.