Home / 897,512,821.58-1,346,695,588.02-621,588,654.38

Finding the Fourth Proportional to 897,512,821.58, 1,346,695,588.02 and 621,588,654.38

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Solution

The fourth proportional to 897,512,821.58, 1,346,695,588.02 and 621,588,654.38 is: 932,678,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,512,821.58 : 1,346,695,588.02 = 621,588,654.38 : x
  2. Step 2: Convert to fraction form
    897,512,821.58/1,346,695,588.02 = 621,588,654.38/x
  3. Step 3: Cross multiply
    897,512,821.58x = 1,346,695,588.02 × 621,588,654.38
  4. Step 4: Simplify right side
    897,512,821.58x = 837,090,698,416,834,688
  5. Step 5: Solve for x
    x = 837,090,698,416,834,688/897,512,821.58
  6. Step 6: Final answer
    x = 932,678,261.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.