Home / 447,445,449.51-617,493,970.55-249,207,032.45

Finding the Fourth Proportional to 447,445,449.51, 617,493,970.55 and 249,207,032.45

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Solution

The fourth proportional to 447,445,449.51, 617,493,970.55 and 249,207,032.45 is: 343,916,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,445,449.51 : 617,493,970.55 = 249,207,032.45 : x
  2. Step 2: Convert to fraction form
    447,445,449.51/617,493,970.55 = 249,207,032.45/x
  3. Step 3: Cross multiply
    447,445,449.51x = 617,493,970.55 × 249,207,032.45
  4. Step 4: Simplify right side
    447,445,449.51x = 153,883,839,952,199,680
  5. Step 5: Solve for x
    x = 153,883,839,952,199,680/447,445,449.51
  6. Step 6: Final answer
    x = 343,916,426.28

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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.