Home / 253,512,579,870.24-349,855,750,292.64-139,331,248,077.12

Finding the Fourth Proportional to 253,512,579,870.24, 349,855,750,292.64 and 139,331,248,077.12

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Solution

The fourth proportional to 253,512,579,870.24, 349,855,750,292.64 and 139,331,248,077.12 is: 192,281,733,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,512,579,870.24 : 349,855,750,292.64 = 139,331,248,077.12 : x
  2. Step 2: Convert to fraction form
    253,512,579,870.24/349,855,750,292.64 = 139,331,248,077.12/x
  3. Step 3: Cross multiply
    253,512,579,870.24x = 349,855,750,292.64 × 139,331,248,077.12
  4. Step 4: Simplify right side
    253,512,579,870.24x = 48,745,838,335,230,774,083,584
  5. Step 5: Solve for x
    x = 48,745,838,335,230,774,083,584/253,512,579,870.24
  6. Step 6: Final answer
    x = 192,281,733,554.14

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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.