Home / 3,119,496,941.69-4,305,009,888.72-1,709,804,516.70

Finding the Fourth Proportional to 3,119,496,941.69, 4,305,009,888.72 and 1,709,804,516.70

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Solution

The fourth proportional to 3,119,496,941.69, 4,305,009,888.72 and 1,709,804,516.70 is: 2,359,587,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,496,941.69 : 4,305,009,888.72 = 1,709,804,516.70 : x
  2. Step 2: Convert to fraction form
    3,119,496,941.69/4,305,009,888.72 = 1,709,804,516.70/x
  3. Step 3: Cross multiply
    3,119,496,941.69x = 4,305,009,888.72 × 1,709,804,516.70
  4. Step 4: Simplify right side
    3,119,496,941.69x = 7,360,725,352,187,979,776
  5. Step 5: Solve for x
    x = 7,360,725,352,187,979,776/3,119,496,941.69
  6. Step 6: Final answer
    x = 2,359,587,295.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.