Home / 20,785,248,045.70-31,177,872,068.55-5,275,673,901.70

Finding the Fourth Proportional to 20,785,248,045.70, 31,177,872,068.55 and 5,275,673,901.70

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Solution

The fourth proportional to 20,785,248,045.70, 31,177,872,068.55 and 5,275,673,901.70 is: 7,913,510,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,248,045.70 : 31,177,872,068.55 = 5,275,673,901.70 : x
  2. Step 2: Convert to fraction form
    20,785,248,045.70/31,177,872,068.55 = 5,275,673,901.70/x
  3. Step 3: Cross multiply
    20,785,248,045.70x = 31,177,872,068.55 × 5,275,673,901.70
  4. Step 4: Simplify right side
    20,785,248,045.70x = 164,484,285,982,590,631,936
  5. Step 5: Solve for x
    x = 164,484,285,982,590,631,936/20,785,248,045.70
  6. Step 6: Final answer
    x = 7,913,510,852.55

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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.