Home / 828,134,668.82-1,142,829,549.75-451,790,116.07

Finding the Fourth Proportional to 828,134,668.82, 1,142,829,549.75 and 451,790,116.07

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Solution

The fourth proportional to 828,134,668.82, 1,142,829,549.75 and 451,790,116.07 is: 623,472,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,134,668.82 : 1,142,829,549.75 = 451,790,116.07 : x
  2. Step 2: Convert to fraction form
    828,134,668.82/1,142,829,549.75 = 451,790,116.07/x
  3. Step 3: Cross multiply
    828,134,668.82x = 1,142,829,549.75 × 451,790,116.07
  4. Step 4: Simplify right side
    828,134,668.82x = 516,319,094,924,064,192
  5. Step 5: Solve for x
    x = 516,319,094,924,064,192/828,134,668.82
  6. Step 6: Final answer
    x = 623,472,382.41

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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.