Home / 1,185,648,173.44-1,636,204,227.12-657,020,987.45

Finding the Fourth Proportional to 1,185,648,173.44, 1,636,204,227.12 and 657,020,987.45

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Solution

The fourth proportional to 1,185,648,173.44, 1,636,204,227.12 and 657,020,987.45 is: 906,694,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,648,173.44 : 1,636,204,227.12 = 657,020,987.45 : x
  2. Step 2: Convert to fraction form
    1,185,648,173.44/1,636,204,227.12 = 657,020,987.45/x
  3. Step 3: Cross multiply
    1,185,648,173.44x = 1,636,204,227.12 × 657,020,987.45
  4. Step 4: Simplify right side
    1,185,648,173.44x = 1,075,020,516,970,152,064
  5. Step 5: Solve for x
    x = 1,075,020,516,970,152,064/1,185,648,173.44
  6. Step 6: Final answer
    x = 906,694,364.36

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Double scale
Find fourth proportional to 1,185,648,174.44, 1,636,204,228.50 and 657,020,988.45
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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.