Home / 377,326,727.10-565,990,090.65-261,100,580.40

Finding the Fourth Proportional to 377,326,727.10, 565,990,090.65 and 261,100,580.40

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Solution

The fourth proportional to 377,326,727.10, 565,990,090.65 and 261,100,580.40 is: 391,650,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,326,727.10 : 565,990,090.65 = 261,100,580.40 : x
  2. Step 2: Convert to fraction form
    377,326,727.10/565,990,090.65 = 261,100,580.40/x
  3. Step 3: Cross multiply
    377,326,727.10x = 565,990,090.65 × 261,100,580.40
  4. Step 4: Simplify right side
    377,326,727.10x = 147,780,341,169,363,616
  5. Step 5: Solve for x
    x = 147,780,341,169,363,616/377,326,727.10
  6. Step 6: Final answer
    x = 391,650,870.60

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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.