Home / 401,235,324.60-601,852,986.90-291,829,337.40

Finding the Fourth Proportional to 401,235,324.60, 601,852,986.90 and 291,829,337.40

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Solution

The fourth proportional to 401,235,324.60, 601,852,986.90 and 291,829,337.40 is: 437,744,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,235,324.60 : 601,852,986.90 = 291,829,337.40 : x
  2. Step 2: Convert to fraction form
    401,235,324.60/601,852,986.90 = 291,829,337.40/x
  3. Step 3: Cross multiply
    401,235,324.60x = 601,852,986.90 × 291,829,337.40
  4. Step 4: Simplify right side
    401,235,324.60x = 175,638,358,379,237,856
  5. Step 5: Solve for x
    x = 175,638,358,379,237,856/401,235,324.60
  6. Step 6: Final answer
    x = 437,744,006.10

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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.