Home / 1,389,077,944,341.40-1,916,979,296,860.10-832,973,610,491.05

Finding the Fourth Proportional to 1,389,077,944,341.40, 1,916,979,296,860.10 and 832,973,610,491.05

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Solution

The fourth proportional to 1,389,077,944,341.40, 1,916,979,296,860.10 and 832,973,610,491.05 is: 1,149,534,605,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,077,944,341.40 : 1,916,979,296,860.10 = 832,973,610,491.05 : x
  2. Step 2: Convert to fraction form
    1,389,077,944,341.40/1,916,979,296,860.10 = 832,973,610,491.05/x
  3. Step 3: Cross multiply
    1,389,077,944,341.40x = 1,916,979,296,860.10 × 832,973,610,491.05
  4. Step 4: Simplify right side
    1,389,077,944,341.40x = 1,596,793,166,142,151,958,986,752
  5. Step 5: Solve for x
    x = 1,596,793,166,142,151,958,986,752/1,389,077,944,341.40
  6. Step 6: Final answer
    x = 1,149,534,605,057.20

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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.