Home / 413,648,042.96-570,834,160.04-228,012,158.72

Finding the Fourth Proportional to 413,648,042.96, 570,834,160.04 and 228,012,158.72

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Solution

The fourth proportional to 413,648,042.96, 570,834,160.04 and 228,012,158.72 is: 314,656,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,648,042.96 : 570,834,160.04 = 228,012,158.72 : x
  2. Step 2: Convert to fraction form
    413,648,042.96/570,834,160.04 = 228,012,158.72/x
  3. Step 3: Cross multiply
    413,648,042.96x = 570,834,160.04 × 228,012,158.72
  4. Step 4: Simplify right side
    413,648,042.96x = 130,157,129,101,838,352
  5. Step 5: Solve for x
    x = 130,157,129,101,838,352/413,648,042.96
  6. Step 6: Final answer
    x = 314,656,702.28

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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.