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Finding the Fourth Proportional to 1,630,803,595.40, 2,289,574,759 and 1,630,803,595.40

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Solution

The fourth proportional to 1,630,803,595.40, 2,289,574,759 and 1,630,803,595.40 is: 2,289,574,759

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,803,595.40 : 2,289,574,759 = 1,630,803,595.40 : x
  2. Step 2: Convert to fraction form
    1,630,803,595.40/2,289,574,759 = 1,630,803,595.40/x
  3. Step 3: Cross multiply
    1,630,803,595.40x = 2,289,574,759 × 1,630,803,595.40
  4. Step 4: Simplify right side
    1,630,803,595.40x = 3,733,846,748,914,288,640
  5. Step 5: Solve for x
    x = 3,733,846,748,914,288,640/1,630,803,595.40
  6. Step 6: Final answer
    x = 2,289,574,759

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.