Home / 420,901,272,001.80-631,351,908,002.70-106,832,395,585.80

Finding the Fourth Proportional to 420,901,272,001.80, 631,351,908,002.70 and 106,832,395,585.80

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Solution

The fourth proportional to 420,901,272,001.80, 631,351,908,002.70 and 106,832,395,585.80 is: 160,248,593,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,901,272,001.80 : 631,351,908,002.70 = 106,832,395,585.80 : x
  2. Step 2: Convert to fraction form
    420,901,272,001.80/631,351,908,002.70 = 106,832,395,585.80/x
  3. Step 3: Cross multiply
    420,901,272,001.80x = 631,351,908,002.70 × 106,832,395,585.80
  4. Step 4: Simplify right side
    420,901,272,001.80x = 67,448,836,789,594,050,527,232
  5. Step 5: Solve for x
    x = 67,448,836,789,594,050,527,232/420,901,272,001.80
  6. Step 6: Final answer
    x = 160,248,593,378.70

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1.5x scale

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.