Home / 922,569,762.84-1,273,145,442.54-520,768,104.60

Finding the Fourth Proportional to 922,569,762.84, 1,273,145,442.54 and 520,768,104.60

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Solution

The fourth proportional to 922,569,762.84, 1,273,145,442.54 and 520,768,104.60 is: 718,659,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,569,762.84 : 1,273,145,442.54 = 520,768,104.60 : x
  2. Step 2: Convert to fraction form
    922,569,762.84/1,273,145,442.54 = 520,768,104.60/x
  3. Step 3: Cross multiply
    922,569,762.84x = 1,273,145,442.54 × 520,768,104.60
  4. Step 4: Simplify right side
    922,569,762.84x = 663,013,538,991,683,968
  5. Step 5: Solve for x
    x = 663,013,538,991,683,968/922,569,762.84
  6. Step 6: Final answer
    x = 718,659,515.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.