Home / 52,278,049,809.80-78,417,074,714.70-13,019,440,257.80

Finding the Fourth Proportional to 52,278,049,809.80, 78,417,074,714.70 and 13,019,440,257.80

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Solution

The fourth proportional to 52,278,049,809.80, 78,417,074,714.70 and 13,019,440,257.80 is: 19,529,160,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278,049,809.80 : 78,417,074,714.70 = 13,019,440,257.80 : x
  2. Step 2: Convert to fraction form
    52,278,049,809.80/78,417,074,714.70 = 13,019,440,257.80/x
  3. Step 3: Cross multiply
    52,278,049,809.80x = 78,417,074,714.70 × 13,019,440,257.80
  4. Step 4: Simplify right side
    52,278,049,809.80x = 1,020,946,419,439,475,490,816
  5. Step 5: Solve for x
    x = 1,020,946,419,439,475,490,816/52,278,049,809.80
  6. Step 6: Final answer
    x = 19,529,160,386.70

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Double scale
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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.