Home / 1,107,883,451.20-1,528,745,964.96-638,137,546.24

Finding the Fourth Proportional to 1,107,883,451.20, 1,528,745,964.96 and 638,137,546.24

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Solution

The fourth proportional to 1,107,883,451.20, 1,528,745,964.96 and 638,137,546.24 is: 880,553,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,883,451.20 : 1,528,745,964.96 = 638,137,546.24 : x
  2. Step 2: Convert to fraction form
    1,107,883,451.20/1,528,745,964.96 = 638,137,546.24/x
  3. Step 3: Cross multiply
    1,107,883,451.20x = 1,528,745,964.96 × 638,137,546.24
  4. Step 4: Simplify right side
    1,107,883,451.20x = 975,550,198,903,875,456
  5. Step 5: Solve for x
    x = 975,550,198,903,875,456/1,107,883,451.20
  6. Step 6: Final answer
    x = 880,553,092.34

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Half scale
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Double scale
Find fourth proportional to 1,107,883,452.20, 1,528,745,966.34 and 638,137,547.24
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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.