Home / 35,587,408,640.64-49,107,377,922.24-21,117,010,020.72

Finding the Fourth Proportional to 35,587,408,640.64, 49,107,377,922.24 and 21,117,010,020.72

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Solution

The fourth proportional to 35,587,408,640.64, 49,107,377,922.24 and 21,117,010,020.72 is: 29,139,547,702.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,587,408,640.64 : 49,107,377,922.24 = 21,117,010,020.72 : x
  2. Step 2: Convert to fraction form
    35,587,408,640.64/49,107,377,922.24 = 21,117,010,020.72/x
  3. Step 3: Cross multiply
    35,587,408,640.64x = 49,107,377,922.24 × 21,117,010,020.72
  4. Step 4: Simplify right side
    35,587,408,640.64x = 1,037,000,991,675,226,128,384
  5. Step 5: Solve for x
    x = 1,037,000,991,675,226,128,384/35,587,408,640.64
  6. Step 6: Final answer
    x = 29,139,547,702.02

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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.