Home / 686,011,332.06-1,029,014,962.14-194,725,017.60

Finding the Fourth Proportional to 686,011,332.06, 1,029,014,962.14 and 194,725,017.60

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Solution

The fourth proportional to 686,011,332.06, 1,029,014,962.14 and 194,725,017.60 is: 292,086,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,011,332.06 : 1,029,014,962.14 = 194,725,017.60 : x
  2. Step 2: Convert to fraction form
    686,011,332.06/1,029,014,962.14 = 194,725,017.60/x
  3. Step 3: Cross multiply
    686,011,332.06x = 1,029,014,962.14 × 194,725,017.60
  4. Step 4: Simplify right side
    686,011,332.06x = 200,374,956,613,374,816
  5. Step 5: Solve for x
    x = 200,374,956,613,374,816/686,011,332.06
  6. Step 6: Final answer
    x = 292,086,948.49

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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.