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Finding the Fourth Proportional to 30,246,434,875.05, 45,369,652,312.58 and 30,246,434,875.05

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Solution

The fourth proportional to 30,246,434,875.05, 45,369,652,312.58 and 30,246,434,875.05 is: 45,369,652,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246,434,875.05 : 45,369,652,312.58 = 30,246,434,875.05 : x
  2. Step 2: Convert to fraction form
    30,246,434,875.05/45,369,652,312.58 = 30,246,434,875.05/x
  3. Step 3: Cross multiply
    30,246,434,875.05x = 45,369,652,312.58 × 30,246,434,875.05
  4. Step 4: Simplify right side
    30,246,434,875.05x = 1,372,270,233,975,961,157,632
  5. Step 5: Solve for x
    x = 1,372,270,233,975,961,157,632/30,246,434,875.05
  6. Step 6: Final answer
    x = 45,369,652,312.58

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Double scale
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Similar ratio
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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.