Home / 383,850,584.06-529,713,443.95-207,638,172.86

Finding the Fourth Proportional to 383,850,584.06, 529,713,443.95 and 207,638,172.86

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Solution

The fourth proportional to 383,850,584.06, 529,713,443.95 and 207,638,172.86 is: 286,540,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,850,584.06 : 529,713,443.95 = 207,638,172.86 : x
  2. Step 2: Convert to fraction form
    383,850,584.06/529,713,443.95 = 207,638,172.86/x
  3. Step 3: Cross multiply
    383,850,584.06x = 529,713,443.95 × 207,638,172.86
  4. Step 4: Simplify right side
    383,850,584.06x = 109,988,731,637,988,352
  5. Step 5: Solve for x
    x = 109,988,731,637,988,352/383,850,584.06
  6. Step 6: Final answer
    x = 286,540,482.70

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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.