Home / 42,858,725,643.87-59,148,349,901.05-25,712,221,103.43

Finding the Fourth Proportional to 42,858,725,643.87, 59,148,349,901.05 and 25,712,221,103.43

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Solution

The fourth proportional to 42,858,725,643.87, 59,148,349,901.05 and 25,712,221,103.43 is: 35,484,849,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858,725,643.87 : 59,148,349,901.05 = 25,712,221,103.43 : x
  2. Step 2: Convert to fraction form
    42,858,725,643.87/59,148,349,901.05 = 25,712,221,103.43/x
  3. Step 3: Cross multiply
    42,858,725,643.87x = 59,148,349,901.05 × 25,712,221,103.43
  4. Step 4: Simplify right side
    42,858,725,643.87x = 1,520,835,450,558,839,783,424
  5. Step 5: Solve for x
    x = 1,520,835,450,558,839,783,424/42,858,725,643.87
  6. Step 6: Final answer
    x = 35,484,849,997.55

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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.