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Finding the Fourth Proportional to 292,159,780,212.70, 438,239,670,319.05 and 292,159,780,212.70

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Solution

The fourth proportional to 292,159,780,212.70, 438,239,670,319.05 and 292,159,780,212.70 is: 438,239,670,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,159,780,212.70 : 438,239,670,319.05 = 292,159,780,212.70 : x
  2. Step 2: Convert to fraction form
    292,159,780,212.70/438,239,670,319.05 = 292,159,780,212.70/x
  3. Step 3: Cross multiply
    292,159,780,212.70x = 438,239,670,319.05 × 292,159,780,212.70
  4. Step 4: Simplify right side
    292,159,780,212.70x = 128,036,005,760,899,762,618,368
  5. Step 5: Solve for x
    x = 128,036,005,760,899,762,618,368/292,159,780,212.70
  6. Step 6: Final answer
    x = 438,239,670,319.05

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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.