Home / 1,508,859,897.12-2,263,290,369.12-678,844,175.04

Finding the Fourth Proportional to 1,508,859,897.12, 2,263,290,369.12 and 678,844,175.04

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Solution

The fourth proportional to 1,508,859,897.12, 2,263,290,369.12 and 678,844,175.04 is: 1,018,266,498.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,859,897.12 : 2,263,290,369.12 = 678,844,175.04 : x
  2. Step 2: Convert to fraction form
    1,508,859,897.12/2,263,290,369.12 = 678,844,175.04/x
  3. Step 3: Cross multiply
    1,508,859,897.12x = 2,263,290,369.12 × 678,844,175.04
  4. Step 4: Simplify right side
    1,508,859,897.12x = 1,536,421,483,501,243,392
  5. Step 5: Solve for x
    x = 1,536,421,483,501,243,392/1,508,859,897.12
  6. Step 6: Final answer
    x = 1,018,266,498.06

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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.