Home / 1,581,545,088,007.80-2,372,317,632,011.70-521,506,509,934.20

Finding the Fourth Proportional to 1,581,545,088,007.80, 2,372,317,632,011.70 and 521,506,509,934.20

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Solution

The fourth proportional to 1,581,545,088,007.80, 2,372,317,632,011.70 and 521,506,509,934.20 is: 782,259,764,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,545,088,007.80 : 2,372,317,632,011.70 = 521,506,509,934.20 : x
  2. Step 2: Convert to fraction form
    1,581,545,088,007.80/2,372,317,632,011.70 = 521,506,509,934.20/x
  3. Step 3: Cross multiply
    1,581,545,088,007.80x = 2,372,317,632,011.70 × 521,506,509,934.20
  4. Step 4: Simplify right side
    1,581,545,088,007.80x = 1,237,179,088,725,787,560,378,368
  5. Step 5: Solve for x
    x = 1,237,179,088,725,787,560,378,368/1,581,545,088,007.80
  6. Step 6: Final answer
    x = 782,259,764,901.30

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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.