Home / 1,039,906,479.69-1,559,859,624.83-457,640,725.08

Finding the Fourth Proportional to 1,039,906,479.69, 1,559,859,624.83 and 457,640,725.08

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Solution

The fourth proportional to 1,039,906,479.69, 1,559,859,624.83 and 457,640,725.08 is: 686,461,045.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,906,479.69 : 1,559,859,624.83 = 457,640,725.08 : x
  2. Step 2: Convert to fraction form
    1,039,906,479.69/1,559,859,624.83 = 457,640,725.08/x
  3. Step 3: Cross multiply
    1,039,906,479.69x = 1,559,859,624.83 × 457,640,725.08
  4. Step 4: Simplify right side
    1,039,906,479.69x = 713,855,289,730,217,856
  5. Step 5: Solve for x
    x = 713,855,289,730,217,856/1,039,906,479.69
  6. Step 6: Final answer
    x = 686,461,045.94

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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.