Home / 385,079,563,208.07-577,731,139,154.55-155,228,278,659.03

Finding the Fourth Proportional to 385,079,563,208.07, 577,731,139,154.55 and 155,228,278,659.03

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Solution

The fourth proportional to 385,079,563,208.07, 577,731,139,154.55 and 155,228,278,659.03 is: 232,887,483,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,079,563,208.07 : 577,731,139,154.55 = 155,228,278,659.03 : x
  2. Step 2: Convert to fraction form
    385,079,563,208.07/577,731,139,154.55 = 155,228,278,659.03/x
  3. Step 3: Cross multiply
    385,079,563,208.07x = 577,731,139,154.55 × 155,228,278,659.03
  4. Step 4: Simplify right side
    385,079,563,208.07x = 89,680,210,258,681,332,236,288
  5. Step 5: Solve for x
    x = 89,680,210,258,681,332,236,288/385,079,563,208.07
  6. Step 6: Final answer
    x = 232,887,483,073.79

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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.