Home / 384,913,199.80-577,369,799.70-377,260,449.40

Finding the Fourth Proportional to 384,913,199.80, 577,369,799.70 and 377,260,449.40

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Solution

The fourth proportional to 384,913,199.80, 577,369,799.70 and 377,260,449.40 is: 565,890,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,913,199.80 : 577,369,799.70 = 377,260,449.40 : x
  2. Step 2: Convert to fraction form
    384,913,199.80/577,369,799.70 = 377,260,449.40/x
  3. Step 3: Cross multiply
    384,913,199.80x = 577,369,799.70 × 377,260,449.40
  4. Step 4: Simplify right side
    384,913,199.80x = 217,818,790,104,809,984
  5. Step 5: Solve for x
    x = 217,818,790,104,809,984/384,913,199.80
  6. Step 6: Final answer
    x = 565,890,674.10

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1.5x scale

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.