Home / 768,000,400.50-1,152,145,911.60-243,501,608.10

Finding the Fourth Proportional to 768,000,400.50, 1,152,145,911.60 and 243,501,608.10

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Solution

The fourth proportional to 768,000,400.50, 1,152,145,911.60 and 243,501,608.10 is: 365,298,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,000,400.50 : 1,152,145,911.60 = 243,501,608.10 : x
  2. Step 2: Convert to fraction form
    768,000,400.50/1,152,145,911.60 = 243,501,608.10/x
  3. Step 3: Cross multiply
    768,000,400.50x = 1,152,145,911.60 × 243,501,608.10
  4. Step 4: Simplify right side
    768,000,400.50x = 280,549,382,240,440,416
  5. Step 5: Solve for x
    x = 280,549,382,240,440,416/768,000,400.50
  6. Step 6: Final answer
    x = 365,298,484.29

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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.