Home / 821,592,208,555.70-1,133,798,581,612-455,786,421,305.28

Finding the Fourth Proportional to 821,592,208,555.70, 1,133,798,581,612 and 455,786,421,305.28

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Solution

The fourth proportional to 821,592,208,555.70, 1,133,798,581,612 and 455,786,421,305.28 is: 628,986,001,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,592,208,555.70 : 1,133,798,581,612 = 455,786,421,305.28 : x
  2. Step 2: Convert to fraction form
    821,592,208,555.70/1,133,798,581,612 = 455,786,421,305.28/x
  3. Step 3: Cross multiply
    821,592,208,555.70x = 1,133,798,581,612 × 455,786,421,305.28
  4. Step 4: Simplify right side
    821,592,208,555.70x = 516,769,997,993,935,980,462,080
  5. Step 5: Solve for x
    x = 516,769,997,993,935,980,462,080/821,592,208,555.70
  6. Step 6: Final answer
    x = 628,986,001,342.91

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Double scale
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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.