Home / 470,745,643.80-706,118,465.70-147,628,997.40

Finding the Fourth Proportional to 470,745,643.80, 706,118,465.70 and 147,628,997.40

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Solution

The fourth proportional to 470,745,643.80, 706,118,465.70 and 147,628,997.40 is: 221,443,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,745,643.80 : 706,118,465.70 = 147,628,997.40 : x
  2. Step 2: Convert to fraction form
    470,745,643.80/706,118,465.70 = 147,628,997.40/x
  3. Step 3: Cross multiply
    470,745,643.80x = 706,118,465.70 × 147,628,997.40
  4. Step 4: Simplify right side
    470,745,643.80x = 104,243,561,136,917,296
  5. Step 5: Solve for x
    x = 104,243,561,136,917,296/470,745,643.80
  6. Step 6: Final answer
    x = 221,443,496.10

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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.