Home / 1,275,563,263.59-1,760,277,289.47-688,852,399.59

Finding the Fourth Proportional to 1,275,563,263.59, 1,760,277,289.47 and 688,852,399.59

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Solution

The fourth proportional to 1,275,563,263.59, 1,760,277,289.47 and 688,852,399.59 is: 950,616,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,563,263.59 : 1,760,277,289.47 = 688,852,399.59 : x
  2. Step 2: Convert to fraction form
    1,275,563,263.59/1,760,277,289.47 = 688,852,399.59/x
  3. Step 3: Cross multiply
    1,275,563,263.59x = 1,760,277,289.47 × 688,852,399.59
  4. Step 4: Simplify right side
    1,275,563,263.59x = 1,212,571,234,795,190,528
  5. Step 5: Solve for x
    x = 1,212,571,234,795,190,528/1,275,563,263.59
  6. Step 6: Final answer
    x = 950,616,303.72

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Double scale
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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.