Home / 835,404,480,492.15-1,253,105,156,665.60-261,764,508,258.40

Finding the Fourth Proportional to 835,404,480,492.15, 1,253,105,156,665.60 and 261,764,508,258.40

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Solution

The fourth proportional to 835,404,480,492.15, 1,253,105,156,665.60 and 261,764,508,258.40 is: 392,646,272,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,404,480,492.15 : 1,253,105,156,665.60 = 261,764,508,258.40 : x
  2. Step 2: Convert to fraction form
    835,404,480,492.15/1,253,105,156,665.60 = 261,764,508,258.40/x
  3. Step 3: Cross multiply
    835,404,480,492.15x = 1,253,105,156,665.60 × 261,764,508,258.40
  4. Step 4: Simplify right side
    835,404,480,492.15x = 328,018,455,130,636,080,381,952
  5. Step 5: Solve for x
    x = 328,018,455,130,636,080,381,952/835,404,480,492.15
  6. Step 6: Final answer
    x = 392,646,272,303.20

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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.