Home / 1,030,216,259.48-1,422,068,240.09-612,527,548.32

Finding the Fourth Proportional to 1,030,216,259.48, 1,422,068,240.09 and 612,527,548.32

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Solution

The fourth proportional to 1,030,216,259.48, 1,422,068,240.09 and 612,527,548.32 is: 845,507,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,216,259.48 : 1,422,068,240.09 = 612,527,548.32 : x
  2. Step 2: Convert to fraction form
    1,030,216,259.48/1,422,068,240.09 = 612,527,548.32/x
  3. Step 3: Cross multiply
    1,030,216,259.48x = 1,422,068,240.09 × 612,527,548.32
  4. Step 4: Simplify right side
    1,030,216,259.48x = 871,055,972,647,596,160
  5. Step 5: Solve for x
    x = 871,055,972,647,596,160/1,030,216,259.48
  6. Step 6: Final answer
    x = 845,507,886.95

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Half scale
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Double scale
Find fourth proportional to 1,030,216,260.48, 1,422,068,241.47 and 612,527,549.32
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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.