Home / 397,563,771,814.94-596,429,422,341.06-128,931,805,636.06

Finding the Fourth Proportional to 397,563,771,814.94, 596,429,422,341.06 and 128,931,805,636.06

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Solution

The fourth proportional to 397,563,771,814.94, 596,429,422,341.06 and 128,931,805,636.06 is: 193,424,873,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,563,771,814.94 : 596,429,422,341.06 = 128,931,805,636.06 : x
  2. Step 2: Convert to fraction form
    397,563,771,814.94/596,429,422,341.06 = 128,931,805,636.06/x
  3. Step 3: Cross multiply
    397,563,771,814.94x = 596,429,422,341.06 × 128,931,805,636.06
  4. Step 4: Simplify right side
    397,563,771,814.94x = 76,898,722,356,905,103,065,088
  5. Step 5: Solve for x
    x = 76,898,722,356,905,103,065,088/397,563,771,814.94
  6. Step 6: Final answer
    x = 193,424,873,714.85

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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.