Home / 921,569,870,403.92-1,271,757,053,473.60-510,039,148,134.42

Finding the Fourth Proportional to 921,569,870,403.92, 1,271,757,053,473.60 and 510,039,148,134.42

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Solution

The fourth proportional to 921,569,870,403.92, 1,271,757,053,473.60 and 510,039,148,134.42 is: 703,848,839,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,569,870,403.92 : 1,271,757,053,473.60 = 510,039,148,134.42 : x
  2. Step 2: Convert to fraction form
    921,569,870,403.92/1,271,757,053,473.60 = 510,039,148,134.42/x
  3. Step 3: Cross multiply
    921,569,870,403.92x = 1,271,757,053,473.60 × 510,039,148,134.42
  4. Step 4: Simplify right side
    921,569,870,403.92x = 648,645,884,187,615,019,663,360
  5. Step 5: Solve for x
    x = 648,645,884,187,615,019,663,360/921,569,870,403.92
  6. Step 6: Final answer
    x = 703,848,839,918.47

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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.