Home / 370,572,874-555,859,328.28-253,873,154.32

Finding the Fourth Proportional to 370,572,874, 555,859,328.28 and 253,873,154.32

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Solution

The fourth proportional to 370,572,874, 555,859,328.28 and 253,873,154.32 is: 380,809,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,572,874 : 555,859,328.28 = 253,873,154.32 : x
  2. Step 2: Convert to fraction form
    370,572,874/555,859,328.28 = 253,873,154.32/x
  3. Step 3: Cross multiply
    370,572,874x = 555,859,328.28 × 253,873,154.32
  4. Step 4: Simplify right side
    370,572,874x = 141,117,761,028,639,968
  5. Step 5: Solve for x
    x = 141,117,761,028,639,968/370,572,874
  6. Step 6: Final answer
    x = 380,809,743.32

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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.