Home / 767,523,908.61-1,059,182,994.47-415,099,897.43

Finding the Fourth Proportional to 767,523,908.61, 1,059,182,994.47 and 415,099,897.43

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Solution

The fourth proportional to 767,523,908.61, 1,059,182,994.47 and 415,099,897.43 is: 572,837,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,523,908.61 : 1,059,182,994.47 = 415,099,897.43 : x
  2. Step 2: Convert to fraction form
    767,523,908.61/1,059,182,994.47 = 415,099,897.43/x
  3. Step 3: Cross multiply
    767,523,908.61x = 1,059,182,994.47 × 415,099,897.43
  4. Step 4: Simplify right side
    767,523,908.61x = 439,666,752,356,725,888
  5. Step 5: Solve for x
    x = 439,666,752,356,725,888/767,523,908.61
  6. Step 6: Final answer
    x = 572,837,858.76

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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.