Home / 346,384,427.63-478,006,702.04-187,610,600.86

Finding the Fourth Proportional to 346,384,427.63, 478,006,702.04 and 187,610,600.86

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Solution

The fourth proportional to 346,384,427.63, 478,006,702.04 and 187,610,600.86 is: 258,900,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,384,427.63 : 478,006,702.04 = 187,610,600.86 : x
  2. Step 2: Convert to fraction form
    346,384,427.63/478,006,702.04 = 187,610,600.86/x
  3. Step 3: Cross multiply
    346,384,427.63x = 478,006,702.04 × 187,610,600.86
  4. Step 4: Simplify right side
    346,384,427.63x = 89,679,124,584,105,392
  5. Step 5: Solve for x
    x = 89,679,124,584,105,392/346,384,427.63
  6. Step 6: Final answer
    x = 258,900,566.63

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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.