Home / 1,124,460,212.40-1,686,847,258.80-469,261,051.20

Finding the Fourth Proportional to 1,124,460,212.40, 1,686,847,258.80 and 469,261,051.20

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Solution

The fourth proportional to 1,124,460,212.40, 1,686,847,258.80 and 469,261,051.20 is: 703,957,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,460,212.40 : 1,686,847,258.80 = 469,261,051.20 : x
  2. Step 2: Convert to fraction form
    1,124,460,212.40/1,686,847,258.80 = 469,261,051.20/x
  3. Step 3: Cross multiply
    1,124,460,212.40x = 1,686,847,258.80 × 469,261,051.20
  4. Step 4: Simplify right side
    1,124,460,212.40x = 791,571,717,878,326,400
  5. Step 5: Solve for x
    x = 791,571,717,878,326,400/1,124,460,212.40
  6. Step 6: Final answer
    x = 703,957,071.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.