Home / 30,684,663,338.91-42,037,289,698.89-29,537,413,058.25

Finding the Fourth Proportional to 30,684,663,338.91, 42,037,289,698.89 and 29,537,413,058.25

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Solution

The fourth proportional to 30,684,663,338.91, 42,037,289,698.89 and 29,537,413,058.25 is: 40,465,582,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,684,663,338.91 : 42,037,289,698.89 = 29,537,413,058.25 : x
  2. Step 2: Convert to fraction form
    30,684,663,338.91/42,037,289,698.89 = 29,537,413,058.25/x
  3. Step 3: Cross multiply
    30,684,663,338.91x = 42,037,289,698.89 × 29,537,413,058.25
  4. Step 4: Simplify right side
    30,684,663,338.91x = 1,241,672,789,685,431,697,408
  5. Step 5: Solve for x
    x = 1,241,672,789,685,431,697,408/30,684,663,338.91
  6. Step 6: Final answer
    x = 40,465,582,951.69

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Double scale
Find fourth proportional to 30,684,663,339.91, 42,037,289,700.26 and 29,537,413,059.25
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.