Home / 340,865,087.40-511,297,631.10-284,178,047.40

Finding the Fourth Proportional to 340,865,087.40, 511,297,631.10 and 284,178,047.40

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Solution

The fourth proportional to 340,865,087.40, 511,297,631.10 and 284,178,047.40 is: 426,267,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,865,087.40 : 511,297,631.10 = 284,178,047.40 : x
  2. Step 2: Convert to fraction form
    340,865,087.40/511,297,631.10 = 284,178,047.40/x
  3. Step 3: Cross multiply
    340,865,087.40x = 511,297,631.10 × 284,178,047.40
  4. Step 4: Simplify right side
    340,865,087.40x = 145,299,562,446,243,520
  5. Step 5: Solve for x
    x = 145,299,562,446,243,520/340,865,087.40
  6. Step 6: Final answer
    x = 426,267,071.10

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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.