Home / 488,997,722.81-674,755,567.08-330,572,503.50

Finding the Fourth Proportional to 488,997,722.81, 674,755,567.08 and 330,572,503.50

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Solution

The fourth proportional to 488,997,722.81, 674,755,567.08 and 330,572,503.50 is: 456,148,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,997,722.81 : 674,755,567.08 = 330,572,503.50 : x
  2. Step 2: Convert to fraction form
    488,997,722.81/674,755,567.08 = 330,572,503.50/x
  3. Step 3: Cross multiply
    488,997,722.81x = 674,755,567.08 × 330,572,503.50
  4. Step 4: Simplify right side
    488,997,722.81x = 223,055,637,060,197,792
  5. Step 5: Solve for x
    x = 223,055,637,060,197,792/488,997,722.81
  6. Step 6: Final answer
    x = 456,148,621.27

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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.