Home / 661,316,614,277.40-991,169,029,217.65-342,787,204,667.14

Finding the Fourth Proportional to 661,316,614,277.40, 991,169,029,217.65 and 342,787,204,667.14

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Solution

The fourth proportional to 661,316,614,277.40, 991,169,029,217.65 and 342,787,204,667.14 is: 513,763,080,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,316,614,277.40 : 991,169,029,217.65 = 342,787,204,667.14 : x
  2. Step 2: Convert to fraction form
    661,316,614,277.40/991,169,029,217.65 = 342,787,204,667.14/x
  3. Step 3: Cross multiply
    661,316,614,277.40x = 991,169,029,217.65 × 342,787,204,667.14
  4. Step 4: Simplify right side
    661,316,614,277.40x = 339,760,060,878,161,071,570,944
  5. Step 5: Solve for x
    x = 339,760,060,878,161,071,570,944/661,316,614,277.40
  6. Step 6: Final answer
    x = 513,763,080,411.05

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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.