Home / 340,826,631.30-511,239,946.95-286,407,072.90

Finding the Fourth Proportional to 340,826,631.30, 511,239,946.95 and 286,407,072.90

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Solution

The fourth proportional to 340,826,631.30, 511,239,946.95 and 286,407,072.90 is: 429,610,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,826,631.30 : 511,239,946.95 = 286,407,072.90 : x
  2. Step 2: Convert to fraction form
    340,826,631.30/511,239,946.95 = 286,407,072.90/x
  3. Step 3: Cross multiply
    340,826,631.30x = 511,239,946.95 × 286,407,072.90
  4. Step 4: Simplify right side
    340,826,631.30x = 146,422,736,755,500,768
  5. Step 5: Solve for x
    x = 146,422,736,755,500,768/340,826,631.30
  6. Step 6: Final answer
    x = 429,610,609.35

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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.