Home / 535,979,089.20-803,968,633.80-190,943,972.40

Finding the Fourth Proportional to 535,979,089.20, 803,968,633.80 and 190,943,972.40

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Solution

The fourth proportional to 535,979,089.20, 803,968,633.80 and 190,943,972.40 is: 286,415,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,979,089.20 : 803,968,633.80 = 190,943,972.40 : x
  2. Step 2: Convert to fraction form
    535,979,089.20/803,968,633.80 = 190,943,972.40/x
  3. Step 3: Cross multiply
    535,979,089.20x = 803,968,633.80 × 190,943,972.40
  4. Step 4: Simplify right side
    535,979,089.20x = 153,512,964,622,772,896
  5. Step 5: Solve for x
    x = 153,512,964,622,772,896/535,979,089.20
  6. Step 6: Final answer
    x = 286,415,958.60

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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.