Home / 867,526,675.20-1,301,281,718.40-212,480,582.40

Finding the Fourth Proportional to 867,526,675.20, 1,301,281,718.40 and 212,480,582.40

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Solution

The fourth proportional to 867,526,675.20, 1,301,281,718.40 and 212,480,582.40 is: 318,718,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,526,675.20 : 1,301,281,718.40 = 212,480,582.40 : x
  2. Step 2: Convert to fraction form
    867,526,675.20/1,301,281,718.40 = 212,480,582.40/x
  3. Step 3: Cross multiply
    867,526,675.20x = 1,301,281,718.40 × 212,480,582.40
  4. Step 4: Simplify right side
    867,526,675.20x = 276,497,097,392,104,832
  5. Step 5: Solve for x
    x = 276,497,097,392,104,832/867,526,675.20
  6. Step 6: Final answer
    x = 318,718,842.08

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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.