Home / 1,296,130,877.88-1,788,665,063.08-701,415,204.57

Finding the Fourth Proportional to 1,296,130,877.88, 1,788,665,063.08 and 701,415,204.57

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Solution

The fourth proportional to 1,296,130,877.88, 1,788,665,063.08 and 701,415,204.57 is: 967,955,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,130,877.88 : 1,788,665,063.08 = 701,415,204.57 : x
  2. Step 2: Convert to fraction form
    1,296,130,877.88/1,788,665,063.08 = 701,415,204.57/x
  3. Step 3: Cross multiply
    1,296,130,877.88x = 1,788,665,063.08 × 701,415,204.57
  4. Step 4: Simplify right side
    1,296,130,877.88x = 1,254,596,871,127,119,616
  5. Step 5: Solve for x
    x = 1,254,596,871,127,119,616/1,296,130,877.88
  6. Step 6: Final answer
    x = 967,955,391.34

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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.