Home / 1,173,287,264.76-1,618,735,981.37-727,087,823.55

Finding the Fourth Proportional to 1,173,287,264.76, 1,618,735,981.37 and 727,087,823.55

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Solution

The fourth proportional to 1,173,287,264.76, 1,618,735,981.37 and 727,087,823.55 is: 1,003,133,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,287,264.76 : 1,618,735,981.37 = 727,087,823.55 : x
  2. Step 2: Convert to fraction form
    1,173,287,264.76/1,618,735,981.37 = 727,087,823.55/x
  3. Step 3: Cross multiply
    1,173,287,264.76x = 1,618,735,981.37 × 727,087,823.55
  4. Step 4: Simplify right side
    1,173,287,264.76x = 1,176,963,221,592,751,104
  5. Step 5: Solve for x
    x = 1,176,963,221,592,751,104/1,173,287,264.76
  6. Step 6: Final answer
    x = 1,003,133,040.77

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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.