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Finding the Fourth Proportional to 833,662,798.14, 1,248,915,795.21 and 556,478,219.10

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Solution

The fourth proportional to 833,662,798.14, 1,248,915,795.21 and 556,478,219.10 is: 833,663,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,662,798.14 : 1,248,915,795.21 = 556,478,219.10 : x
  2. Step 2: Convert to fraction form
    833,662,798.14/1,248,915,795.21 = 556,478,219.10/x
  3. Step 3: Cross multiply
    833,662,798.14x = 1,248,915,795.21 × 556,478,219.10
  4. Step 4: Simplify right side
    833,662,798.14x = 694,994,437,524,321,152
  5. Step 5: Solve for x
    x = 694,994,437,524,321,152/833,662,798.14
  6. Step 6: Final answer
    x = 833,663,729.60

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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.