Home / 719,685,977.67-1,079,528,966.10-174,427,511.67

Finding the Fourth Proportional to 719,685,977.67, 1,079,528,966.10 and 174,427,511.67

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Solution

The fourth proportional to 719,685,977.67, 1,079,528,966.10 and 174,427,511.67 is: 261,641,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,685,977.67 : 1,079,528,966.10 = 174,427,511.67 : x
  2. Step 2: Convert to fraction form
    719,685,977.67/1,079,528,966.10 = 174,427,511.67/x
  3. Step 3: Cross multiply
    719,685,977.67x = 1,079,528,966.10 × 174,427,511.67
  4. Step 4: Simplify right side
    719,685,977.67x = 188,299,551,332,510,752
  5. Step 5: Solve for x
    x = 188,299,551,332,510,752/719,685,977.67
  6. Step 6: Final answer
    x = 261,641,267.41

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1.5x scale

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.