Home / 1,084,197,908.60-1,496,080,484.20-638,134,669.68

Finding the Fourth Proportional to 1,084,197,908.60, 1,496,080,484.20 and 638,134,669.68

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Solution

The fourth proportional to 1,084,197,908.60, 1,496,080,484.20 and 638,134,669.68 is: 880,559,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,197,908.60 : 1,496,080,484.20 = 638,134,669.68 : x
  2. Step 2: Convert to fraction form
    1,084,197,908.60/1,496,080,484.20 = 638,134,669.68/x
  3. Step 3: Cross multiply
    1,084,197,908.60x = 1,496,080,484.20 × 638,134,669.68
  4. Step 4: Simplify right side
    1,084,197,908.60x = 954,700,825,599,661,440
  5. Step 5: Solve for x
    x = 954,700,825,599,661,440/1,084,197,908.60
  6. Step 6: Final answer
    x = 880,559,552.85

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Double scale
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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.