Home / 715,392,037.80-1,073,088,056.70-371,018,269.80

Finding the Fourth Proportional to 715,392,037.80, 1,073,088,056.70 and 371,018,269.80

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Solution

The fourth proportional to 715,392,037.80, 1,073,088,056.70 and 371,018,269.80 is: 556,527,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,392,037.80 : 1,073,088,056.70 = 371,018,269.80 : x
  2. Step 2: Convert to fraction form
    715,392,037.80/1,073,088,056.70 = 371,018,269.80/x
  3. Step 3: Cross multiply
    715,392,037.80x = 1,073,088,056.70 × 371,018,269.80
  4. Step 4: Simplify right side
    715,392,037.80x = 398,135,274,139,878,336
  5. Step 5: Solve for x
    x = 398,135,274,139,878,336/715,392,037.80
  6. Step 6: Final answer
    x = 556,527,404.70

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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.