Home / 550,656,598.60-824,989,569.90-320,437,232.20

Finding the Fourth Proportional to 550,656,598.60, 824,989,569.90 and 320,437,232.20

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Solution

The fourth proportional to 550,656,598.60, 824,989,569.90 and 320,437,232.20 is: 480,076,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,656,598.60 : 824,989,569.90 = 320,437,232.20 : x
  2. Step 2: Convert to fraction form
    550,656,598.60/824,989,569.90 = 320,437,232.20/x
  3. Step 3: Cross multiply
    550,656,598.60x = 824,989,569.90 × 320,437,232.20
  4. Step 4: Simplify right side
    550,656,598.60x = 264,357,374,372,624,416
  5. Step 5: Solve for x
    x = 264,357,374,372,624,416/550,656,598.60
  6. Step 6: Final answer
    x = 480,076,648.58

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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.