Home / 572,942,445,476.42-790,663,032,856.02-312,525,829,758.98

Finding the Fourth Proportional to 572,942,445,476.42, 790,663,032,856.02 and 312,525,829,758.98

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Solution

The fourth proportional to 572,942,445,476.42, 790,663,032,856.02 and 312,525,829,758.98 is: 431,286,985,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,942,445,476.42 : 790,663,032,856.02 = 312,525,829,758.98 : x
  2. Step 2: Convert to fraction form
    572,942,445,476.42/790,663,032,856.02 = 312,525,829,758.98/x
  3. Step 3: Cross multiply
    572,942,445,476.42x = 790,663,032,856.02 × 312,525,829,758.98
  4. Step 4: Simplify right side
    572,942,445,476.42x = 247,102,620,403,079,309,164,544
  5. Step 5: Solve for x
    x = 247,102,620,403,079,309,164,544/572,942,445,476.42
  6. Step 6: Final answer
    x = 431,286,985,898.92

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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.