Home / 1,842,527,450.90-2,764,883,287.47-678,812,492.76

Finding the Fourth Proportional to 1,842,527,450.90, 2,764,883,287.47 and 678,812,492.76

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Solution

The fourth proportional to 1,842,527,450.90, 2,764,883,287.47 and 678,812,492.76 is: 1,018,621,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,527,450.90 : 2,764,883,287.47 = 678,812,492.76 : x
  2. Step 2: Convert to fraction form
    1,842,527,450.90/2,764,883,287.47 = 678,812,492.76/x
  3. Step 3: Cross multiply
    1,842,527,450.90x = 2,764,883,287.47 × 678,812,492.76
  4. Step 4: Simplify right side
    1,842,527,450.90x = 1,876,837,316,557,974,272
  5. Step 5: Solve for x
    x = 1,876,837,316,557,974,272/1,842,527,450.90
  6. Step 6: Final answer
    x = 1,018,621,087.92

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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.