Home / 1,018,796,558.45-1,405,930,799.16-572,761,909.91

Finding the Fourth Proportional to 1,018,796,558.45, 1,405,930,799.16 and 572,761,909.91

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Solution

The fourth proportional to 1,018,796,558.45, 1,405,930,799.16 and 572,761,909.91 is: 790,406,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,796,558.45 : 1,405,930,799.16 = 572,761,909.91 : x
  2. Step 2: Convert to fraction form
    1,018,796,558.45/1,405,930,799.16 = 572,761,909.91/x
  3. Step 3: Cross multiply
    1,018,796,558.45x = 1,405,930,799.16 × 572,761,909.91
  4. Step 4: Simplify right side
    1,018,796,558.45x = 805,263,609,731,689,088
  5. Step 5: Solve for x
    x = 805,263,609,731,689,088/1,018,796,558.45
  6. Step 6: Final answer
    x = 790,406,684.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.