Home / 741,928,006.24-1,118,224,909.24-639,533,113.60

Finding the Fourth Proportional to 741,928,006.24, 1,118,224,909.24 and 639,533,113.60

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Solution

The fourth proportional to 741,928,006.24, 1,118,224,909.24 and 639,533,113.60 is: 963,896,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,928,006.24 : 1,118,224,909.24 = 639,533,113.60 : x
  2. Step 2: Convert to fraction form
    741,928,006.24/1,118,224,909.24 = 639,533,113.60/x
  3. Step 3: Cross multiply
    741,928,006.24x = 1,118,224,909.24 × 639,533,113.60
  4. Step 4: Simplify right side
    741,928,006.24x = 715,141,857,911,334,656
  5. Step 5: Solve for x
    x = 715,141,857,911,334,656/741,928,006.24
  6. Step 6: Final answer
    x = 963,896,566.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.