Home / 7,688,630,404,781.40-10,610,320,465,640-4,172,929,532,765.70

Finding the Fourth Proportional to 7,688,630,404,781.40, 10,610,320,465,640 and 4,172,929,532,765.70

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Solution

The fourth proportional to 7,688,630,404,781.40, 10,610,320,465,640 and 4,172,929,532,765.70 is: 5,758,648,457,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688,630,404,781.40 : 10,610,320,465,640 = 4,172,929,532,765.70 : x
  2. Step 2: Convert to fraction form
    7,688,630,404,781.40/10,610,320,465,640 = 4,172,929,532,765.70/x
  3. Step 3: Cross multiply
    7,688,630,404,781.40x = 10,610,320,465,640 × 4,172,929,532,765.70
  4. Step 4: Simplify right side
    7,688,630,404,781.40x = 44,276,119,623,177,470,212,046,848
  5. Step 5: Solve for x
    x = 44,276,119,623,177,470,212,046,848/7,688,630,404,781.40
  6. Step 6: Final answer
    x = 5,758,648,457,811.56

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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.