Home / 472,392,461.70-708,588,692.55-127,333,725.30

Finding the Fourth Proportional to 472,392,461.70, 708,588,692.55 and 127,333,725.30

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Solution

The fourth proportional to 472,392,461.70, 708,588,692.55 and 127,333,725.30 is: 191,000,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,461.70 : 708,588,692.55 = 127,333,725.30 : x
  2. Step 2: Convert to fraction form
    472,392,461.70/708,588,692.55 = 127,333,725.30/x
  3. Step 3: Cross multiply
    472,392,461.70x = 708,588,692.55 × 127,333,725.30
  4. Step 4: Simplify right side
    472,392,461.70x = 90,227,237,927,847,856
  5. Step 5: Solve for x
    x = 90,227,237,927,847,856/472,392,461.70
  6. Step 6: Final answer
    x = 191,000,587.95

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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.