Home / 457,391,671,431.70-632,106,141,070.54-374,862,260,967.12

Finding the Fourth Proportional to 457,391,671,431.70, 632,106,141,070.54 and 374,862,260,967.12

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Solution

The fourth proportional to 457,391,671,431.70, 632,106,141,070.54 and 374,862,260,967.12 is: 518,052,146,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,391,671,431.70 : 632,106,141,070.54 = 374,862,260,967.12 : x
  2. Step 2: Convert to fraction form
    457,391,671,431.70/632,106,141,070.54 = 374,862,260,967.12/x
  3. Step 3: Cross multiply
    457,391,671,431.70x = 632,106,141,070.54 × 374,862,260,967.12
  4. Step 4: Simplify right side
    457,391,671,431.70x = 236,952,737,212,903,930,724,352
  5. Step 5: Solve for x
    x = 236,952,737,212,903,930,724,352/457,391,671,431.70
  6. Step 6: Final answer
    x = 518,052,146,579.78

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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.