Home / 1,872,164,047.20-2,806,230,531.60-707,182,389.60

Finding the Fourth Proportional to 1,872,164,047.20, 2,806,230,531.60 and 707,182,389.60

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Solution

The fourth proportional to 1,872,164,047.20, 2,806,230,531.60 and 707,182,389.60 is: 1,060,012,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,164,047.20 : 2,806,230,531.60 = 707,182,389.60 : x
  2. Step 2: Convert to fraction form
    1,872,164,047.20/2,806,230,531.60 = 707,182,389.60/x
  3. Step 3: Cross multiply
    1,872,164,047.20x = 2,806,230,531.60 × 707,182,389.60
  4. Step 4: Simplify right side
    1,872,164,047.20x = 1,984,516,813,105,366,272
  5. Step 5: Solve for x
    x = 1,984,516,813,105,366,272/1,872,164,047.20
  6. Step 6: Final answer
    x = 1,060,012,244.16

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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.