Home / 873,312,351.90-1,205,187,820.47-476,851,060.86

Finding the Fourth Proportional to 873,312,351.90, 1,205,187,820.47 and 476,851,060.86

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Solution

The fourth proportional to 873,312,351.90, 1,205,187,820.47 and 476,851,060.86 is: 658,063,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,312,351.90 : 1,205,187,820.47 = 476,851,060.86 : x
  2. Step 2: Convert to fraction form
    873,312,351.90/1,205,187,820.47 = 476,851,060.86/x
  3. Step 3: Cross multiply
    873,312,351.90x = 1,205,187,820.47 × 476,851,060.86
  4. Step 4: Simplify right side
    873,312,351.90x = 574,695,090,726,670,784
  5. Step 5: Solve for x
    x = 574,695,090,726,670,784/873,312,351.90
  6. Step 6: Final answer
    x = 658,063,623.49

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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.