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Finding the Fourth Proportional to 424,824,807.60, 637,237,211.40 and 310,033,551.60

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Solution

The fourth proportional to 424,824,807.60, 637,237,211.40 and 310,033,551.60 is: 465,050,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,824,807.60 : 637,237,211.40 = 310,033,551.60 : x
  2. Step 2: Convert to fraction form
    424,824,807.60/637,237,211.40 = 310,033,551.60/x
  3. Step 3: Cross multiply
    424,824,807.60x = 637,237,211.40 × 310,033,551.60
  4. Step 4: Simplify right side
    424,824,807.60x = 197,564,915,862,022,016
  5. Step 5: Solve for x
    x = 197,564,915,862,022,016/424,824,807.60
  6. Step 6: Final answer
    x = 465,050,327.40

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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.