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Finding the Fourth Proportional to 697,803,473.57, 963,154,743.08 and 411,946,341.93

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Solution

The fourth proportional to 697,803,473.57, 963,154,743.08 and 411,946,341.93 is: 568,595,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,803,473.57 : 963,154,743.08 = 411,946,341.93 : x
  2. Step 2: Convert to fraction form
    697,803,473.57/963,154,743.08 = 411,946,341.93/x
  3. Step 3: Cross multiply
    697,803,473.57x = 963,154,743.08 × 411,946,341.93
  4. Step 4: Simplify right side
    697,803,473.57x = 396,768,073,129,039,360
  5. Step 5: Solve for x
    x = 396,768,073,129,039,360/697,803,473.57
  6. Step 6: Final answer
    x = 568,595,726.67

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Double scale
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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.