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Finding the Fourth Proportional to 1,241,146,850.02, 1,712,795,852.01 and 684,249,826.12

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Solution

The fourth proportional to 1,241,146,850.02, 1,712,795,852.01 and 684,249,826.12 is: 944,272,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,146,850.02 : 1,712,795,852.01 = 684,249,826.12 : x
  2. Step 2: Convert to fraction form
    1,241,146,850.02/1,712,795,852.01 = 684,249,826.12/x
  3. Step 3: Cross multiply
    1,241,146,850.02x = 1,712,795,852.01 × 684,249,826.12
  4. Step 4: Simplify right side
    1,241,146,850.02x = 1,171,980,263,916,899,840
  5. Step 5: Solve for x
    x = 1,171,980,263,916,899,840/1,241,146,850.02
  6. Step 6: Final answer
    x = 944,272,036.70

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Double scale
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1.5x scale

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.