Home / 827,506,918.72-1,241,563,051.05-385,060,613.77

Finding the Fourth Proportional to 827,506,918.72, 1,241,563,051.05 and 385,060,613.77

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Solution

The fourth proportional to 827,506,918.72, 1,241,563,051.05 and 385,060,613.77 is: 577,731,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,506,918.72 : 1,241,563,051.05 = 385,060,613.77 : x
  2. Step 2: Convert to fraction form
    827,506,918.72/1,241,563,051.05 = 385,060,613.77/x
  3. Step 3: Cross multiply
    827,506,918.72x = 1,241,563,051.05 × 385,060,613.77
  4. Step 4: Simplify right side
    827,506,918.72x = 478,077,030,471,466,816
  5. Step 5: Solve for x
    x = 478,077,030,471,466,816/827,506,918.72
  6. Step 6: Final answer
    x = 577,731,762.30

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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.