Home / 1,107,883,452.20-1,528,745,966.34-638,137,547.24

Finding the Fourth Proportional to 1,107,883,452.20, 1,528,745,966.34 and 638,137,547.24

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Solution

The fourth proportional to 1,107,883,452.20, 1,528,745,966.34 and 638,137,547.24 is: 880,553,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,883,452.20 : 1,528,745,966.34 = 638,137,547.24 : x
  2. Step 2: Convert to fraction form
    1,107,883,452.20/1,528,745,966.34 = 638,137,547.24/x
  3. Step 3: Cross multiply
    1,107,883,452.20x = 1,528,745,966.34 × 638,137,547.24
  4. Step 4: Simplify right side
    1,107,883,452.20x = 975,550,201,313,251,200
  5. Step 5: Solve for x
    x = 975,550,201,313,251,200/1,107,883,452.20
  6. Step 6: Final answer
    x = 880,553,093.72

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Half scale
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Double scale
Find fourth proportional to 1,107,883,453.20, 1,528,745,967.72 and 638,137,548.24
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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.