Home / 470,534,995.50-649,334,703.08-258,837,267.68

Finding the Fourth Proportional to 470,534,995.50, 649,334,703.08 and 258,837,267.68

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Solution

The fourth proportional to 470,534,995.50, 649,334,703.08 and 258,837,267.68 is: 357,193,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,534,995.50 : 649,334,703.08 = 258,837,267.68 : x
  2. Step 2: Convert to fraction form
    470,534,995.50/649,334,703.08 = 258,837,267.68/x
  3. Step 3: Cross multiply
    470,534,995.50x = 649,334,703.08 × 258,837,267.68
  4. Step 4: Simplify right side
    470,534,995.50x = 168,072,020,355,031,296
  5. Step 5: Solve for x
    x = 168,072,020,355,031,296/470,534,995.50
  6. Step 6: Final answer
    x = 357,193,454.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.