Home / 397,563,771,813.94-596,429,422,339.56-128,931,805,635.06

Finding the Fourth Proportional to 397,563,771,813.94, 596,429,422,339.56 and 128,931,805,635.06

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Solution

The fourth proportional to 397,563,771,813.94, 596,429,422,339.56 and 128,931,805,635.06 is: 193,424,873,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,563,771,813.94 : 596,429,422,339.56 = 128,931,805,635.06 : x
  2. Step 2: Convert to fraction form
    397,563,771,813.94/596,429,422,339.56 = 128,931,805,635.06/x
  3. Step 3: Cross multiply
    397,563,771,813.94x = 596,429,422,339.56 × 128,931,805,635.06
  4. Step 4: Simplify right side
    397,563,771,813.94x = 76,898,722,356,115,265,290,240
  5. Step 5: Solve for x
    x = 76,898,722,356,115,265,290,240/397,563,771,813.94
  6. Step 6: Final answer
    x = 193,424,873,713.35

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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.