Home / 286,783,498.71-430,173,828.73-247,803,333.69

Finding the Fourth Proportional to 286,783,498.71, 430,173,828.73 and 247,803,333.69

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Solution

The fourth proportional to 286,783,498.71, 430,173,828.73 and 247,803,333.69 is: 371,703,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,783,498.71 : 430,173,828.73 = 247,803,333.69 : x
  2. Step 2: Convert to fraction form
    286,783,498.71/430,173,828.73 = 247,803,333.69/x
  3. Step 3: Cross multiply
    286,783,498.71x = 430,173,828.73 × 247,803,333.69
  4. Step 4: Simplify right side
    286,783,498.71x = 106,598,508,826,900,496
  5. Step 5: Solve for x
    x = 106,598,508,826,900,496/286,783,498.71
  6. Step 6: Final answer
    x = 371,703,774.13

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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.