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Finding the Fourth Proportional to 1,086,746,587.05, 1,630,119,880.58 and 1,086,746,587.05

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Solution

The fourth proportional to 1,086,746,587.05, 1,630,119,880.58 and 1,086,746,587.05 is: 1,630,119,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,746,587.05 : 1,630,119,880.58 = 1,086,746,587.05 : x
  2. Step 2: Convert to fraction form
    1,086,746,587.05/1,630,119,880.58 = 1,086,746,587.05/x
  3. Step 3: Cross multiply
    1,086,746,587.05x = 1,630,119,880.58 × 1,086,746,587.05
  4. Step 4: Simplify right side
    1,086,746,587.05x = 1,771,527,216,697,234,688
  5. Step 5: Solve for x
    x = 1,771,527,216,697,234,688/1,086,746,587.05
  6. Step 6: Final answer
    x = 1,630,119,880.58

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Double scale
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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.