Home / 636,151,115.40-953,666,801.10-431,014,014.60

Finding the Fourth Proportional to 636,151,115.40, 953,666,801.10 and 431,014,014.60

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Solution

The fourth proportional to 636,151,115.40, 953,666,801.10 and 431,014,014.60 is: 646,141,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,151,115.40 : 953,666,801.10 = 431,014,014.60 : x
  2. Step 2: Convert to fraction form
    636,151,115.40/953,666,801.10 = 431,014,014.60/x
  3. Step 3: Cross multiply
    636,151,115.40x = 953,666,801.10 × 431,014,014.60
  4. Step 4: Simplify right side
    636,151,115.40x = 411,043,756,532,850,752
  5. Step 5: Solve for x
    x = 411,043,756,532,850,752/636,151,115.40
  6. Step 6: Final answer
    x = 646,141,689.58

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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.