Home / 484,568,455.80-726,852,683.70-291,076,692.60

Finding the Fourth Proportional to 484,568,455.80, 726,852,683.70 and 291,076,692.60

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Solution

The fourth proportional to 484,568,455.80, 726,852,683.70 and 291,076,692.60 is: 436,615,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,568,455.80 : 726,852,683.70 = 291,076,692.60 : x
  2. Step 2: Convert to fraction form
    484,568,455.80/726,852,683.70 = 291,076,692.60/x
  3. Step 3: Cross multiply
    484,568,455.80x = 726,852,683.70 × 291,076,692.60
  4. Step 4: Simplify right side
    484,568,455.80x = 211,569,875,178,829,952
  5. Step 5: Solve for x
    x = 211,569,875,178,829,952/484,568,455.80
  6. Step 6: Final answer
    x = 436,615,038.90

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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.