Home / 572,942,445,475.42-790,663,032,854.64-312,525,829,757.98

Finding the Fourth Proportional to 572,942,445,475.42, 790,663,032,854.64 and 312,525,829,757.98

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Solution

The fourth proportional to 572,942,445,475.42, 790,663,032,854.64 and 312,525,829,757.98 is: 431,286,985,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,942,445,475.42 : 790,663,032,854.64 = 312,525,829,757.98 : x
  2. Step 2: Convert to fraction form
    572,942,445,475.42/790,663,032,854.64 = 312,525,829,757.98/x
  3. Step 3: Cross multiply
    572,942,445,475.42x = 790,663,032,854.64 × 312,525,829,757.98
  4. Step 4: Simplify right side
    572,942,445,475.42x = 247,102,620,401,857,357,414,400
  5. Step 5: Solve for x
    x = 247,102,620,401,857,357,414,400/572,942,445,475.42
  6. Step 6: Final answer
    x = 431,286,985,897.54

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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.