Home / 26,909,714,424.30-40,364,571,636.45-12,931,965,818.70

Finding the Fourth Proportional to 26,909,714,424.30, 40,364,571,636.45 and 12,931,965,818.70

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Solution

The fourth proportional to 26,909,714,424.30, 40,364,571,636.45 and 12,931,965,818.70 is: 19,397,948,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909,714,424.30 : 40,364,571,636.45 = 12,931,965,818.70 : x
  2. Step 2: Convert to fraction form
    26,909,714,424.30/40,364,571,636.45 = 12,931,965,818.70/x
  3. Step 3: Cross multiply
    26,909,714,424.30x = 40,364,571,636.45 × 12,931,965,818.70
  4. Step 4: Simplify right side
    26,909,714,424.30x = 521,993,260,689,038,901,248
  5. Step 5: Solve for x
    x = 521,993,260,689,038,901,248/26,909,714,424.30
  6. Step 6: Final answer
    x = 19,397,948,728.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.