Home / 845,564,139.40-1,166,876,123.52-469,277,537.80

Finding the Fourth Proportional to 845,564,139.40, 1,166,876,123.52 and 469,277,537.80

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Solution

The fourth proportional to 845,564,139.40, 1,166,876,123.52 and 469,277,537.80 is: 647,601,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,564,139.40 : 1,166,876,123.52 = 469,277,537.80 : x
  2. Step 2: Convert to fraction form
    845,564,139.40/1,166,876,123.52 = 469,277,537.80/x
  3. Step 3: Cross multiply
    845,564,139.40x = 1,166,876,123.52 × 469,277,537.80
  4. Step 4: Simplify right side
    845,564,139.40x = 547,588,754,163,074,304
  5. Step 5: Solve for x
    x = 547,588,754,163,074,304/845,564,139.40
  6. Step 6: Final answer
    x = 647,601,676.38

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1.5x scale

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.