Home / 1,068,788,417.76-1,603,224,964.88-508,415,643.36

Finding the Fourth Proportional to 1,068,788,417.76, 1,603,224,964.88 and 508,415,643.36

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Solution

The fourth proportional to 1,068,788,417.76, 1,603,224,964.88 and 508,415,643.36 is: 762,643,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,788,417.76 : 1,603,224,964.88 = 508,415,643.36 : x
  2. Step 2: Convert to fraction form
    1,068,788,417.76/1,603,224,964.88 = 508,415,643.36/x
  3. Step 3: Cross multiply
    1,068,788,417.76x = 1,603,224,964.88 × 508,415,643.36
  4. Step 4: Simplify right side
    1,068,788,417.76x = 815,104,651,970,278,656
  5. Step 5: Solve for x
    x = 815,104,651,970,278,656/1,068,788,417.76
  6. Step 6: Final answer
    x = 762,643,605.06

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Double scale
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1.5x scale

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.