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Finding the Fourth Proportional to 1,214,788,597.84, 1,676,399,918.96 and 657,858,900.16

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Solution

The fourth proportional to 1,214,788,597.84, 1,676,399,918.96 and 657,858,900.16 is: 907,840,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,788,597.84 : 1,676,399,918.96 = 657,858,900.16 : x
  2. Step 2: Convert to fraction form
    1,214,788,597.84/1,676,399,918.96 = 657,858,900.16/x
  3. Step 3: Cross multiply
    1,214,788,597.84x = 1,676,399,918.96 × 657,858,900.16
  4. Step 4: Simplify right side
    1,214,788,597.84x = 1,102,834,606,915,338,752
  5. Step 5: Solve for x
    x = 1,102,834,606,915,338,752/1,214,788,597.84
  6. Step 6: Final answer
    x = 907,840,762.48

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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.