Home / 790,449,886.60-1,090,463,148.28-477,083,929.48

Finding the Fourth Proportional to 790,449,886.60, 1,090,463,148.28 and 477,083,929.48

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Solution

The fourth proportional to 790,449,886.60, 1,090,463,148.28 and 477,083,929.48 is: 658,159,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,449,886.60 : 1,090,463,148.28 = 477,083,929.48 : x
  2. Step 2: Convert to fraction form
    790,449,886.60/1,090,463,148.28 = 477,083,929.48/x
  3. Step 3: Cross multiply
    790,449,886.60x = 1,090,463,148.28 × 477,083,929.48
  4. Step 4: Simplify right side
    790,449,886.60x = 520,242,443,734,554,304
  5. Step 5: Solve for x
    x = 520,242,443,734,554,304/790,449,886.60
  6. Step 6: Final answer
    x = 658,159,932.15

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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.