Home / 607,113,720.72-910,670,476.86-330,997,134.38

Finding the Fourth Proportional to 607,113,720.72, 910,670,476.86 and 330,997,134.38

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Solution

The fourth proportional to 607,113,720.72, 910,670,476.86 and 330,997,134.38 is: 496,495,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,113,720.72 : 910,670,476.86 = 330,997,134.38 : x
  2. Step 2: Convert to fraction form
    607,113,720.72/910,670,476.86 = 330,997,134.38/x
  3. Step 3: Cross multiply
    607,113,720.72x = 910,670,476.86 × 330,997,134.38
  4. Step 4: Simplify right side
    607,113,720.72x = 301,429,318,200,574,784
  5. Step 5: Solve for x
    x = 301,429,318,200,574,784/607,113,720.72
  6. Step 6: Final answer
    x = 496,495,644.74

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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.