Home / 651,840,455.40-977,760,683.10-307,466,687.40

Finding the Fourth Proportional to 651,840,455.40, 977,760,683.10 and 307,466,687.40

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Solution

The fourth proportional to 651,840,455.40, 977,760,683.10 and 307,466,687.40 is: 461,200,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,840,455.40 : 977,760,683.10 = 307,466,687.40 : x
  2. Step 2: Convert to fraction form
    651,840,455.40/977,760,683.10 = 307,466,687.40/x
  3. Step 3: Cross multiply
    651,840,455.40x = 977,760,683.10 × 307,466,687.40
  4. Step 4: Simplify right side
    651,840,455.40x = 300,628,838,302,718,144
  5. Step 5: Solve for x
    x = 300,628,838,302,718,144/651,840,455.40
  6. Step 6: Final answer
    x = 461,200,031.10

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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.