Home / 894,194,162.40-1,233,988,003.44-497,708,643.20

Finding the Fourth Proportional to 894,194,162.40, 1,233,988,003.44 and 497,708,643.20

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Solution

The fourth proportional to 894,194,162.40, 1,233,988,003.44 and 497,708,643.20 is: 686,837,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,194,162.40 : 1,233,988,003.44 = 497,708,643.20 : x
  2. Step 2: Convert to fraction form
    894,194,162.40/1,233,988,003.44 = 497,708,643.20/x
  3. Step 3: Cross multiply
    894,194,162.40x = 1,233,988,003.44 × 497,708,643.20
  4. Step 4: Simplify right side
    894,194,162.40x = 614,166,494,917,199,360
  5. Step 5: Solve for x
    x = 614,166,494,917,199,360/894,194,162.40
  6. Step 6: Final answer
    x = 686,837,960.64

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Double scale
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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.