Home / 1,638,280,824.18-2,459,170,007.76-706,063,724.63

Finding the Fourth Proportional to 1,638,280,824.18, 2,459,170,007.76 and 706,063,724.63

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Solution

The fourth proportional to 1,638,280,824.18, 2,459,170,007.76 and 706,063,724.63 is: 1,059,849,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,280,824.18 : 2,459,170,007.76 = 706,063,724.63 : x
  2. Step 2: Convert to fraction form
    1,638,280,824.18/2,459,170,007.76 = 706,063,724.63/x
  3. Step 3: Cross multiply
    1,638,280,824.18x = 2,459,170,007.76 × 706,063,724.63
  4. Step 4: Simplify right side
    1,638,280,824.18x = 1,736,330,735,177,020,672
  5. Step 5: Solve for x
    x = 1,736,330,735,177,020,672/1,638,280,824.18
  6. Step 6: Final answer
    x = 1,059,849,269.77

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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.