Home / 1,279,018,793.70-1,915,506,039.51-624,418,110.18

Finding the Fourth Proportional to 1,279,018,793.70, 1,915,506,039.51 and 624,418,110.18

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Solution

The fourth proportional to 1,279,018,793.70, 1,915,506,039.51 and 624,418,110.18 is: 935,151,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,018,793.70 : 1,915,506,039.51 = 624,418,110.18 : x
  2. Step 2: Convert to fraction form
    1,279,018,793.70/1,915,506,039.51 = 624,418,110.18/x
  3. Step 3: Cross multiply
    1,279,018,793.70x = 1,915,506,039.51 × 624,418,110.18
  4. Step 4: Simplify right side
    1,279,018,793.70x = 1,196,076,661,229,210,624
  5. Step 5: Solve for x
    x = 1,196,076,661,229,210,624/1,279,018,793.70
  6. Step 6: Final answer
    x = 935,151,748.45

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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.