Home / 1,078,046,238.65-1,487,708,291.16-583,008,947.15

Finding the Fourth Proportional to 1,078,046,238.65, 1,487,708,291.16 and 583,008,947.15

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Solution

The fourth proportional to 1,078,046,238.65, 1,487,708,291.16 and 583,008,947.15 is: 804,554,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,046,238.65 : 1,487,708,291.16 = 583,008,947.15 : x
  2. Step 2: Convert to fraction form
    1,078,046,238.65/1,487,708,291.16 = 583,008,947.15/x
  3. Step 3: Cross multiply
    1,078,046,238.65x = 1,487,708,291.16 × 583,008,947.15
  4. Step 4: Simplify right side
    1,078,046,238.65x = 867,347,244,488,078,720
  5. Step 5: Solve for x
    x = 867,347,244,488,078,720/1,078,046,238.65
  6. Step 6: Final answer
    x = 804,554,770.84

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Half scale
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Double scale
Find fourth proportional to 1,078,046,239.65, 1,487,708,292.54 and 583,008,948.15
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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.