Home / 1,185,648,262.56-1,636,204,350.38-657,021,076.74

Finding the Fourth Proportional to 1,185,648,262.56, 1,636,204,350.38 and 657,021,076.74

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Solution

The fourth proportional to 1,185,648,262.56, 1,636,204,350.38 and 657,021,076.74 is: 906,694,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,648,262.56 : 1,636,204,350.38 = 657,021,076.74 : x
  2. Step 2: Convert to fraction form
    1,185,648,262.56/1,636,204,350.38 = 657,021,076.74/x
  3. Step 3: Cross multiply
    1,185,648,262.56x = 1,636,204,350.38 × 657,021,076.74
  4. Step 4: Simplify right side
    1,185,648,262.56x = 1,075,020,744,050,054,784
  5. Step 5: Solve for x
    x = 1,075,020,744,050,054,784/1,185,648,262.56
  6. Step 6: Final answer
    x = 906,694,487.73

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Half scale
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Double scale
Find fourth proportional to 1,185,648,263.56, 1,636,204,351.76 and 657,021,077.74
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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.