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Finding the Fourth Proportional to 119,973,248,015.40, 179,959,872,023.10 and 119,973,248,015.40

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Solution

The fourth proportional to 119,973,248,015.40, 179,959,872,023.10 and 119,973,248,015.40 is: 179,959,872,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,973,248,015.40 : 179,959,872,023.10 = 119,973,248,015.40 : x
  2. Step 2: Convert to fraction form
    119,973,248,015.40/179,959,872,023.10 = 119,973,248,015.40/x
  3. Step 3: Cross multiply
    119,973,248,015.40x = 179,959,872,023.10 × 119,973,248,015.40
  4. Step 4: Simplify right side
    119,973,248,015.40x = 21,590,370,359,047,018,774,528
  5. Step 5: Solve for x
    x = 21,590,370,359,047,018,774,528/119,973,248,015.40
  6. Step 6: Final answer
    x = 179,959,872,023.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.