Home / 816,384,065.60-1,224,576,098.40-298,642,433.60

Finding the Fourth Proportional to 816,384,065.60, 1,224,576,098.40 and 298,642,433.60

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Solution

The fourth proportional to 816,384,065.60, 1,224,576,098.40 and 298,642,433.60 is: 447,963,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,384,065.60 : 1,224,576,098.40 = 298,642,433.60 : x
  2. Step 2: Convert to fraction form
    816,384,065.60/1,224,576,098.40 = 298,642,433.60/x
  3. Step 3: Cross multiply
    816,384,065.60x = 1,224,576,098.40 × 298,642,433.60
  4. Step 4: Simplify right side
    816,384,065.60x = 365,710,386,154,569,152
  5. Step 5: Solve for x
    x = 365,710,386,154,569,152/816,384,065.60
  6. Step 6: Final answer
    x = 447,963,650.40

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1.5x scale

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.