Home / 1,233,032,155.20-1,699,938,286.02-979,554,554.10

Finding the Fourth Proportional to 1,233,032,155.20, 1,699,938,286.02 and 979,554,554.10

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Solution

The fourth proportional to 1,233,032,155.20, 1,699,938,286.02 and 979,554,554.10 is: 1,350,477,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,032,155.20 : 1,699,938,286.02 = 979,554,554.10 : x
  2. Step 2: Convert to fraction form
    1,233,032,155.20/1,699,938,286.02 = 979,554,554.10/x
  3. Step 3: Cross multiply
    1,233,032,155.20x = 1,699,938,286.02 × 979,554,554.10
  4. Step 4: Simplify right side
    1,233,032,155.20x = 1,665,182,289,759,839,488
  5. Step 5: Solve for x
    x = 1,665,182,289,759,839,488/1,233,032,155.20
  6. Step 6: Final answer
    x = 1,350,477,587.09

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Half scale
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Double scale
Find fourth proportional to 1,233,032,156.20, 1,699,938,287.40 and 979,554,555.10
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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.