Home / 810,460,932,447.18-1,215,648,582,767.70-265,837,690,547.77

Finding the Fourth Proportional to 810,460,932,447.18, 1,215,648,582,767.70 and 265,837,690,547.77

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Solution

The fourth proportional to 810,460,932,447.18, 1,215,648,582,767.70 and 265,837,690,547.77 is: 398,742,491,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,460,932,447.18 : 1,215,648,582,767.70 = 265,837,690,547.77 : x
  2. Step 2: Convert to fraction form
    810,460,932,447.18/1,215,648,582,767.70 = 265,837,690,547.77/x
  3. Step 3: Cross multiply
    810,460,932,447.18x = 1,215,648,582,767.70 × 265,837,690,547.77
  4. Step 4: Simplify right side
    810,460,932,447.18x = 323,165,211,760,634,967,883,776
  5. Step 5: Solve for x
    x = 323,165,211,760,634,967,883,776/810,460,932,447.18
  6. Step 6: Final answer
    x = 398,742,491,861.81

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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.