Home / 683,014,984.92-942,560,480.34-369,748,966.68

Finding the Fourth Proportional to 683,014,984.92, 942,560,480.34 and 369,748,966.68

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Solution

The fourth proportional to 683,014,984.92, 942,560,480.34 and 369,748,966.68 is: 510,253,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,014,984.92 : 942,560,480.34 = 369,748,966.68 : x
  2. Step 2: Convert to fraction form
    683,014,984.92/942,560,480.34 = 369,748,966.68/x
  3. Step 3: Cross multiply
    683,014,984.92x = 942,560,480.34 × 369,748,966.68
  4. Step 4: Simplify right side
    683,014,984.92x = 348,510,763,639,119,488
  5. Step 5: Solve for x
    x = 348,510,763,639,119,488/683,014,984.92
  6. Step 6: Final answer
    x = 510,253,466.37

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Double scale
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1.5x scale

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.