Home / 828,393,384.18-1,143,207,165.58-452,074,269.78

Finding the Fourth Proportional to 828,393,384.18, 1,143,207,165.58 and 452,074,269.78

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Solution

The fourth proportional to 828,393,384.18, 1,143,207,165.58 and 452,074,269.78 is: 623,875,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,393,384.18 : 1,143,207,165.58 = 452,074,269.78 : x
  2. Step 2: Convert to fraction form
    828,393,384.18/1,143,207,165.58 = 452,074,269.78/x
  3. Step 3: Cross multiply
    828,393,384.18x = 1,143,207,165.58 × 452,074,269.78
  4. Step 4: Simplify right side
    828,393,384.18x = 516,814,544,586,841,984
  5. Step 5: Solve for x
    x = 516,814,544,586,841,984/828,393,384.18
  6. Step 6: Final answer
    x = 623,875,750.89

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1.5x scale

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.