Home / 572,942,445,476.90-790,663,032,856.73-312,525,829,759.47

Finding the Fourth Proportional to 572,942,445,476.90, 790,663,032,856.73 and 312,525,829,759.47

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Solution

The fourth proportional to 572,942,445,476.90, 790,663,032,856.73 and 312,525,829,759.47 is: 431,286,985,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,942,445,476.90 : 790,663,032,856.73 = 312,525,829,759.47 : x
  2. Step 2: Convert to fraction form
    572,942,445,476.90/790,663,032,856.73 = 312,525,829,759.47/x
  3. Step 3: Cross multiply
    572,942,445,476.90x = 790,663,032,856.73 × 312,525,829,759.47
  4. Step 4: Simplify right side
    572,942,445,476.90x = 247,102,620,403,688,590,540,800
  5. Step 5: Solve for x
    x = 247,102,620,403,688,590,540,800/572,942,445,476.90
  6. Step 6: Final answer
    x = 431,286,985,899.62

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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.