Home / 1,578,282,150.05-2,177,940,749.76-863,816,248.34

Finding the Fourth Proportional to 1,578,282,150.05, 2,177,940,749.76 and 863,816,248.34

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Solution

The fourth proportional to 1,578,282,150.05, 2,177,940,749.76 and 863,816,248.34 is: 1,192,017,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,282,150.05 : 2,177,940,749.76 = 863,816,248.34 : x
  2. Step 2: Convert to fraction form
    1,578,282,150.05/2,177,940,749.76 = 863,816,248.34/x
  3. Step 3: Cross multiply
    1,578,282,150.05x = 2,177,940,749.76 × 863,816,248.34
  4. Step 4: Simplify right side
    1,578,282,150.05x = 1,881,340,607,564,490,240
  5. Step 5: Solve for x
    x = 1,881,340,607,564,490,240/1,578,282,150.05
  6. Step 6: Final answer
    x = 1,192,017,921.20

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1.5x scale

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.