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Finding the Fourth Proportional to 528,068,955,678.65, 792,103,433,518 and 528,068,955,678.65

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Solution

The fourth proportional to 528,068,955,678.65, 792,103,433,518 and 528,068,955,678.65 is: 792,103,433,518

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,068,955,678.65 : 792,103,433,518 = 528,068,955,678.65 : x
  2. Step 2: Convert to fraction form
    528,068,955,678.65/792,103,433,518 = 528,068,955,678.65/x
  3. Step 3: Cross multiply
    528,068,955,678.65x = 792,103,433,518 × 528,068,955,678.65
  4. Step 4: Simplify right side
    528,068,955,678.65x = 418,285,232,927,323,243,675,648
  5. Step 5: Solve for x
    x = 418,285,232,927,323,243,675,648/528,068,955,678.65
  6. Step 6: Final answer
    x = 792,103,433,518

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Double scale
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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.