Home / 780,566,713.08-1,077,423,267.60-502,108,236.24

Finding the Fourth Proportional to 780,566,713.08, 1,077,423,267.60 and 502,108,236.24

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Solution

The fourth proportional to 780,566,713.08, 1,077,423,267.60 and 502,108,236.24 is: 693,064,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,566,713.08 : 1,077,423,267.60 = 502,108,236.24 : x
  2. Step 2: Convert to fraction form
    780,566,713.08/1,077,423,267.60 = 502,108,236.24/x
  3. Step 3: Cross multiply
    780,566,713.08x = 1,077,423,267.60 × 502,108,236.24
  4. Step 4: Simplify right side
    780,566,713.08x = 540,983,096,578,573,504
  5. Step 5: Solve for x
    x = 540,983,096,578,573,504/780,566,713.08
  6. Step 6: Final answer
    x = 693,064,522.88

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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.