Home / 54,435,470,493.40-81,653,205,740.10-43,415,509,917.40

Finding the Fourth Proportional to 54,435,470,493.40, 81,653,205,740.10 and 43,415,509,917.40

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Solution

The fourth proportional to 54,435,470,493.40, 81,653,205,740.10 and 43,415,509,917.40 is: 65,123,264,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435,470,493.40 : 81,653,205,740.10 = 43,415,509,917.40 : x
  2. Step 2: Convert to fraction form
    54,435,470,493.40/81,653,205,740.10 = 43,415,509,917.40/x
  3. Step 3: Cross multiply
    54,435,470,493.40x = 81,653,205,740.10 × 43,415,509,917.40
  4. Step 4: Simplify right side
    54,435,470,493.40x = 3,545,015,563,596,814,352,384
  5. Step 5: Solve for x
    x = 3,545,015,563,596,814,352,384/54,435,470,493.40
  6. Step 6: Final answer
    x = 65,123,264,876.10

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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.