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Finding the Fourth Proportional to 452,893,046.83, 679,171,363.63 and 157,712,364.11

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Solution

The fourth proportional to 452,893,046.83, 679,171,363.63 and 157,712,364.11 is: 236,509,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,893,046.83 : 679,171,363.63 = 157,712,364.11 : x
  2. Step 2: Convert to fraction form
    452,893,046.83/679,171,363.63 = 157,712,364.11/x
  3. Step 3: Cross multiply
    452,893,046.83x = 679,171,363.63 × 157,712,364.11
  4. Step 4: Simplify right side
    452,893,046.83x = 107,113,721,395,203,440
  5. Step 5: Solve for x
    x = 107,113,721,395,203,440/452,893,046.83
  6. Step 6: Final answer
    x = 236,509,971.05

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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.