Home / 472,395,657.30-708,593,485.95-127,384,160.10

Finding the Fourth Proportional to 472,395,657.30, 708,593,485.95 and 127,384,160.10

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Solution

The fourth proportional to 472,395,657.30, 708,593,485.95 and 127,384,160.10 is: 191,076,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,395,657.30 : 708,593,485.95 = 127,384,160.10 : x
  2. Step 2: Convert to fraction form
    472,395,657.30/708,593,485.95 = 127,384,160.10/x
  3. Step 3: Cross multiply
    472,395,657.30x = 708,593,485.95 × 127,384,160.10
  4. Step 4: Simplify right side
    472,395,657.30x = 90,263,586,060,071,904
  5. Step 5: Solve for x
    x = 90,263,586,060,071,904/472,395,657.30
  6. Step 6: Final answer
    x = 191,076,240.15

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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.