Home / 470,745,400.80-706,118,101.20-147,628,754.40

Finding the Fourth Proportional to 470,745,400.80, 706,118,101.20 and 147,628,754.40

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Solution

The fourth proportional to 470,745,400.80, 706,118,101.20 and 147,628,754.40 is: 221,443,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,745,400.80 : 706,118,101.20 = 147,628,754.40 : x
  2. Step 2: Convert to fraction form
    470,745,400.80/706,118,101.20 = 147,628,754.40/x
  3. Step 3: Cross multiply
    470,745,400.80x = 706,118,101.20 × 147,628,754.40
  4. Step 4: Simplify right side
    470,745,400.80x = 104,243,335,739,449,152
  5. Step 5: Solve for x
    x = 104,243,335,739,449,152/470,745,400.80
  6. Step 6: Final answer
    x = 221,443,131.60

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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.