Home / 344,739,153.40-517,108,730.10-215,492,702.20

Finding the Fourth Proportional to 344,739,153.40, 517,108,730.10 and 215,492,702.20

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Solution

The fourth proportional to 344,739,153.40, 517,108,730.10 and 215,492,702.20 is: 323,239,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,739,153.40 : 517,108,730.10 = 215,492,702.20 : x
  2. Step 2: Convert to fraction form
    344,739,153.40/517,108,730.10 = 215,492,702.20/x
  3. Step 3: Cross multiply
    344,739,153.40x = 517,108,730.10 × 215,492,702.20
  4. Step 4: Simplify right side
    344,739,153.40x = 111,433,157,580,459,472
  5. Step 5: Solve for x
    x = 111,433,157,580,459,472/344,739,153.40
  6. Step 6: Final answer
    x = 323,239,053.30

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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.