Home / 1,213,127,665,394.40-1,674,168,802,860.10-671,804,387,139.18

Finding the Fourth Proportional to 1,213,127,665,394.40, 1,674,168,802,860.10 and 671,804,387,139.18

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Solution

The fourth proportional to 1,213,127,665,394.40, 1,674,168,802,860.10 and 671,804,387,139.18 is: 927,119,196,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,127,665,394.40 : 1,674,168,802,860.10 = 671,804,387,139.18 : x
  2. Step 2: Convert to fraction form
    1,213,127,665,394.40/1,674,168,802,860.10 = 671,804,387,139.18/x
  3. Step 3: Cross multiply
    1,213,127,665,394.40x = 1,674,168,802,860.10 × 671,804,387,139.18
  4. Step 4: Simplify right side
    1,213,127,665,394.40x = 1,124,713,946,572,964,315,004,928
  5. Step 5: Solve for x
    x = 1,124,713,946,572,964,315,004,928/1,213,127,665,394.40
  6. Step 6: Final answer
    x = 927,119,196,648.86

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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.