Home / 510,129,570.69-703,956,162.87-284,080,215.51

Finding the Fourth Proportional to 510,129,570.69, 703,956,162.87 and 284,080,215.51

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Solution

The fourth proportional to 510,129,570.69, 703,956,162.87 and 284,080,215.51 is: 392,018,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,129,570.69 : 703,956,162.87 = 284,080,215.51 : x
  2. Step 2: Convert to fraction form
    510,129,570.69/703,956,162.87 = 284,080,215.51/x
  3. Step 3: Cross multiply
    510,129,570.69x = 703,956,162.87 × 284,080,215.51
  4. Step 4: Simplify right side
    510,129,570.69x = 199,980,018,457,702,240
  5. Step 5: Solve for x
    x = 199,980,018,457,702,240/510,129,570.69
  6. Step 6: Final answer
    x = 392,018,087.07

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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.