Home / 472,393,358.70-708,590,038.05-264,918,792.30

Finding the Fourth Proportional to 472,393,358.70, 708,590,038.05 and 264,918,792.30

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Solution

The fourth proportional to 472,393,358.70, 708,590,038.05 and 264,918,792.30 is: 397,378,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,358.70 : 708,590,038.05 = 264,918,792.30 : x
  2. Step 2: Convert to fraction form
    472,393,358.70/708,590,038.05 = 264,918,792.30/x
  3. Step 3: Cross multiply
    472,393,358.70x = 708,590,038.05 × 264,918,792.30
  4. Step 4: Simplify right side
    472,393,358.70x = 187,718,817,116,017,056
  5. Step 5: Solve for x
    x = 187,718,817,116,017,056/472,393,358.70
  6. Step 6: Final answer
    x = 397,378,188.45

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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.