Home / 470,749,157.68-706,282,645.56-208,397,522.20

Finding the Fourth Proportional to 470,749,157.68, 706,282,645.56 and 208,397,522.20

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Solution

The fourth proportional to 470,749,157.68, 706,282,645.56 and 208,397,522.20 is: 312,666,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,749,157.68 : 706,282,645.56 = 208,397,522.20 : x
  2. Step 2: Convert to fraction form
    470,749,157.68/706,282,645.56 = 208,397,522.20/x
  3. Step 3: Cross multiply
    470,749,157.68x = 706,282,645.56 × 208,397,522.20
  4. Step 4: Simplify right side
    470,749,157.68x = 147,187,553,307,564,800
  5. Step 5: Solve for x
    x = 147,187,553,307,564,800/470,749,157.68
  6. Step 6: Final answer
    x = 312,666,631.28

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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.