Home / 1,118,286,037.40-1,677,429,056.10-382,187,108.30

Finding the Fourth Proportional to 1,118,286,037.40, 1,677,429,056.10 and 382,187,108.30

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Solution

The fourth proportional to 1,118,286,037.40, 1,677,429,056.10 and 382,187,108.30 is: 573,280,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,286,037.40 : 1,677,429,056.10 = 382,187,108.30 : x
  2. Step 2: Convert to fraction form
    1,118,286,037.40/1,677,429,056.10 = 382,187,108.30/x
  3. Step 3: Cross multiply
    1,118,286,037.40x = 1,677,429,056.10 × 382,187,108.30
  4. Step 4: Simplify right side
    1,118,286,037.40x = 641,091,760,329,257,472
  5. Step 5: Solve for x
    x = 641,091,760,329,257,472/1,118,286,037.40
  6. Step 6: Final answer
    x = 573,280,662.45

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Double scale
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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.