Home / 818,472,884,154.56-1,129,840,360,739-509,976,662,252.48

Finding the Fourth Proportional to 818,472,884,154.56, 1,129,840,360,739 and 509,976,662,252.48

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Solution

The fourth proportional to 818,472,884,154.56, 1,129,840,360,739 and 509,976,662,252.48 is: 703,984,490,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,472,884,154.56 : 1,129,840,360,739 = 509,976,662,252.48 : x
  2. Step 2: Convert to fraction form
    818,472,884,154.56/1,129,840,360,739 = 509,976,662,252.48/x
  3. Step 3: Cross multiply
    818,472,884,154.56x = 1,129,840,360,739 × 509,976,662,252.48
  4. Step 4: Simplify right side
    818,472,884,154.56x = 576,192,216,047,813,144,870,912
  5. Step 5: Solve for x
    x = 576,192,216,047,813,144,870,912/818,472,884,154.56
  6. Step 6: Final answer
    x = 703,984,490,143.48

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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.