Home / 399,569,112,547.76-599,114,317,468.14-127,175,701,964.42

Finding the Fourth Proportional to 399,569,112,547.76, 599,114,317,468.14 and 127,175,701,964.42

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Solution

The fourth proportional to 399,569,112,547.76, 599,114,317,468.14 and 127,175,701,964.42 is: 190,687,371,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,569,112,547.76 : 599,114,317,468.14 = 127,175,701,964.42 : x
  2. Step 2: Convert to fraction form
    399,569,112,547.76/599,114,317,468.14 = 127,175,701,964.42/x
  3. Step 3: Cross multiply
    399,569,112,547.76x = 599,114,317,468.14 × 127,175,701,964.42
  4. Step 4: Simplify right side
    399,569,112,547.76x = 76,192,783,880,945,076,797,440
  5. Step 5: Solve for x
    x = 76,192,783,880,945,076,797,440/399,569,112,547.76
  6. Step 6: Final answer
    x = 190,687,371,691.77

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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.