Home / 1,214,724,897.42-1,676,321,975.07-657,808,904.94

Finding the Fourth Proportional to 1,214,724,897.42, 1,676,321,975.07 and 657,808,904.94

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Solution

The fourth proportional to 1,214,724,897.42, 1,676,321,975.07 and 657,808,904.94 is: 907,777,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,724,897.42 : 1,676,321,975.07 = 657,808,904.94 : x
  2. Step 2: Convert to fraction form
    1,214,724,897.42/1,676,321,975.07 = 657,808,904.94/x
  3. Step 3: Cross multiply
    1,214,724,897.42x = 1,676,321,975.07 × 657,808,904.94
  4. Step 4: Simplify right side
    1,214,724,897.42x = 1,102,699,522,747,654,784
  5. Step 5: Solve for x
    x = 1,102,699,522,747,654,784/1,214,724,897.42
  6. Step 6: Final answer
    x = 907,777,164.27

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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.