Home / 736,430,940,875.81-1,016,127,305,488.90-411,220,194,224.78

Finding the Fourth Proportional to 736,430,940,875.81, 1,016,127,305,488.90 and 411,220,194,224.78

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Solution

The fourth proportional to 736,430,940,875.81, 1,016,127,305,488.90 and 411,220,194,224.78 is: 567,401,564,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,430,940,875.81 : 1,016,127,305,488.90 = 411,220,194,224.78 : x
  2. Step 2: Convert to fraction form
    736,430,940,875.81/1,016,127,305,488.90 = 411,220,194,224.78/x
  3. Step 3: Cross multiply
    736,430,940,875.81x = 1,016,127,305,488.90 × 411,220,194,224.78
  4. Step 4: Simplify right side
    736,430,940,875.81x = 417,852,067,920,247,890,378,752
  5. Step 5: Solve for x
    x = 417,852,067,920,247,890,378,752/736,430,940,875.81
  6. Step 6: Final answer
    x = 567,401,564,392.87

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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.