Home / 399,096,386.28-546,752,915.55-384,175,048.42

Finding the Fourth Proportional to 399,096,386.28, 546,752,915.55 and 384,175,048.42

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Solution

The fourth proportional to 399,096,386.28, 546,752,915.55 and 384,175,048.42 is: 526,311,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,096,386.28 : 546,752,915.55 = 384,175,048.42 : x
  2. Step 2: Convert to fraction form
    399,096,386.28/546,752,915.55 = 384,175,048.42/x
  3. Step 3: Cross multiply
    399,096,386.28x = 546,752,915.55 × 384,175,048.42
  4. Step 4: Simplify right side
    399,096,386.28x = 210,048,827,805,197,408
  5. Step 5: Solve for x
    x = 210,048,827,805,197,408/399,096,386.28
  6. Step 6: Final answer
    x = 526,311,024.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.