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Finding the Fourth Proportional to 798,739,576.80, 1,197,542,494.80 and 362,249,368.80

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Solution

The fourth proportional to 798,739,576.80, 1,197,542,494.80 and 362,249,368.80 is: 543,116,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,739,576.80 : 1,197,542,494.80 = 362,249,368.80 : x
  2. Step 2: Convert to fraction form
    798,739,576.80/1,197,542,494.80 = 362,249,368.80/x
  3. Step 3: Cross multiply
    798,739,576.80x = 1,197,542,494.80 × 362,249,368.80
  4. Step 4: Simplify right side
    798,739,576.80x = 433,809,012,852,477,248
  5. Step 5: Solve for x
    x = 433,809,012,852,477,248/798,739,576.80
  6. Step 6: Final answer
    x = 543,116,962.59

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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.