Home / 717,422,485.60-1,076,133,728.40-354,625,429.60

Finding the Fourth Proportional to 717,422,485.60, 1,076,133,728.40 and 354,625,429.60

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Solution

The fourth proportional to 717,422,485.60, 1,076,133,728.40 and 354,625,429.60 is: 531,938,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,422,485.60 : 1,076,133,728.40 = 354,625,429.60 : x
  2. Step 2: Convert to fraction form
    717,422,485.60/1,076,133,728.40 = 354,625,429.60/x
  3. Step 3: Cross multiply
    717,422,485.60x = 1,076,133,728.40 × 354,625,429.60
  4. Step 4: Simplify right side
    717,422,485.60x = 381,624,385,740,899,776
  5. Step 5: Solve for x
    x = 381,624,385,740,899,776/717,422,485.60
  6. Step 6: Final answer
    x = 531,938,144.40

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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.