Home / 1,042,725,624.60-1,438,976,100.42-572,870,369.64

Finding the Fourth Proportional to 1,042,725,624.60, 1,438,976,100.42 and 572,870,369.64

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Solution

The fourth proportional to 1,042,725,624.60, 1,438,976,100.42 and 572,870,369.64 is: 790,569,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,725,624.60 : 1,438,976,100.42 = 572,870,369.64 : x
  2. Step 2: Convert to fraction form
    1,042,725,624.60/1,438,976,100.42 = 572,870,369.64/x
  3. Step 3: Cross multiply
    1,042,725,624.60x = 1,438,976,100.42 × 572,870,369.64
  4. Step 4: Simplify right side
    1,042,725,624.60x = 824,346,770,550,731,136
  5. Step 5: Solve for x
    x = 824,346,770,550,731,136/1,042,725,624.60
  6. Step 6: Final answer
    x = 790,569,207.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.