Home / 585,626,320.36-878,139,249.18-309,426,066.28

Finding the Fourth Proportional to 585,626,320.36, 878,139,249.18 and 309,426,066.28

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Solution

The fourth proportional to 585,626,320.36, 878,139,249.18 and 309,426,066.28 is: 463,980,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,626,320.36 : 878,139,249.18 = 309,426,066.28 : x
  2. Step 2: Convert to fraction form
    585,626,320.36/878,139,249.18 = 309,426,066.28/x
  3. Step 3: Cross multiply
    585,626,320.36x = 878,139,249.18 × 309,426,066.28
  4. Step 4: Simplify right side
    585,626,320.36x = 271,719,173,519,840,064
  5. Step 5: Solve for x
    x = 271,719,173,519,840,064/585,626,320.36
  6. Step 6: Final answer
    x = 463,980,466.85

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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.