Home / 470,745,478.80-706,118,218.20-147,628,832.40

Finding the Fourth Proportional to 470,745,478.80, 706,118,218.20 and 147,628,832.40

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Solution

The fourth proportional to 470,745,478.80, 706,118,218.20 and 147,628,832.40 is: 221,443,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,745,478.80 : 706,118,218.20 = 147,628,832.40 : x
  2. Step 2: Convert to fraction form
    470,745,478.80/706,118,218.20 = 147,628,832.40/x
  3. Step 3: Cross multiply
    470,745,478.80x = 706,118,218.20 × 147,628,832.40
  4. Step 4: Simplify right side
    470,745,478.80x = 104,243,408,089,234,448
  5. Step 5: Solve for x
    x = 104,243,408,089,234,448/470,745,478.80
  6. Step 6: Final answer
    x = 221,443,248.60

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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.