Home / 1,213,127,665,390-1,674,168,802,854-671,804,387,134.75

Finding the Fourth Proportional to 1,213,127,665,390, 1,674,168,802,854 and 671,804,387,134.75

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Solution

The fourth proportional to 1,213,127,665,390, 1,674,168,802,854 and 671,804,387,134.75 is: 927,119,196,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,127,665,390 : 1,674,168,802,854 = 671,804,387,134.75 : x
  2. Step 2: Convert to fraction form
    1,213,127,665,390/1,674,168,802,854 = 671,804,387,134.75/x
  3. Step 3: Cross multiply
    1,213,127,665,390x = 1,674,168,802,854 × 671,804,387,134.75
  4. Step 4: Simplify right side
    1,213,127,665,390x = 1,124,713,946,561,449,507,684,352
  5. Step 5: Solve for x
    x = 1,124,713,946,561,449,507,684,352/1,213,127,665,390
  6. Step 6: Final answer
    x = 927,119,196,642.73

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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.