Home / 896,878,423.80-1,345,317,635.70-413,149,015.80

Finding the Fourth Proportional to 896,878,423.80, 1,345,317,635.70 and 413,149,015.80

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Solution

The fourth proportional to 896,878,423.80, 1,345,317,635.70 and 413,149,015.80 is: 619,723,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,878,423.80 : 1,345,317,635.70 = 413,149,015.80 : x
  2. Step 2: Convert to fraction form
    896,878,423.80/1,345,317,635.70 = 413,149,015.80/x
  3. Step 3: Cross multiply
    896,878,423.80x = 1,345,317,635.70 × 413,149,015.80
  4. Step 4: Simplify right side
    896,878,423.80x = 555,816,657,127,837,952
  5. Step 5: Solve for x
    x = 555,816,657,127,837,952/896,878,423.80
  6. Step 6: Final answer
    x = 619,723,523.70

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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.