Home / 693,657,354,206.48-957,169,513,042.46-385,021,721,631.25

Finding the Fourth Proportional to 693,657,354,206.48, 957,169,513,042.46 and 385,021,721,631.25

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Solution

The fourth proportional to 693,657,354,206.48, 957,169,513,042.46 and 385,021,721,631.25 is: 531,286,883,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,657,354,206.48 : 957,169,513,042.46 = 385,021,721,631.25 : x
  2. Step 2: Convert to fraction form
    693,657,354,206.48/957,169,513,042.46 = 385,021,721,631.25/x
  3. Step 3: Cross multiply
    693,657,354,206.48x = 957,169,513,042.46 × 385,021,721,631.25
  4. Step 4: Simplify right side
    693,657,354,206.48x = 368,531,053,804,553,146,204,160
  5. Step 5: Solve for x
    x = 368,531,053,804,553,146,204,160/693,657,354,206.48
  6. Step 6: Final answer
    x = 531,286,883,314.52

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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.