Home / 1,663,341,077.94-2,295,428,827.41-920,797,540.98

Finding the Fourth Proportional to 1,663,341,077.94, 2,295,428,827.41 and 920,797,540.98

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Solution

The fourth proportional to 1,663,341,077.94, 2,295,428,827.41 and 920,797,540.98 is: 1,270,710,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,341,077.94 : 2,295,428,827.41 = 920,797,540.98 : x
  2. Step 2: Convert to fraction form
    1,663,341,077.94/2,295,428,827.41 = 920,797,540.98/x
  3. Step 3: Cross multiply
    1,663,341,077.94x = 2,295,428,827.41 × 920,797,540.98
  4. Step 4: Simplify right side
    1,663,341,077.94x = 2,113,625,219,773,732,608
  5. Step 5: Solve for x
    x = 2,113,625,219,773,732,608/1,663,341,077.94
  6. Step 6: Final answer
    x = 1,270,710,648.47

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Double scale
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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.