Home / 790,692,497.91-1,091,153,764.33-433,459,640.12

Finding the Fourth Proportional to 790,692,497.91, 1,091,153,764.33 and 433,459,640.12

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Solution

The fourth proportional to 790,692,497.91, 1,091,153,764.33 and 433,459,640.12 is: 598,173,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,692,497.91 : 1,091,153,764.33 = 433,459,640.12 : x
  2. Step 2: Convert to fraction form
    790,692,497.91/1,091,153,764.33 = 433,459,640.12/x
  3. Step 3: Cross multiply
    790,692,497.91x = 1,091,153,764.33 × 433,459,640.12
  4. Step 4: Simplify right side
    790,692,497.91x = 472,971,117,995,525,760
  5. Step 5: Solve for x
    x = 472,971,117,995,525,760/790,692,497.91
  6. Step 6: Final answer
    x = 598,173,271.21

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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.