Home / 765,276,656,955.60-1,056,113,870,592.20-440,116,202,646.39

Finding the Fourth Proportional to 765,276,656,955.60, 1,056,113,870,592.20 and 440,116,202,646.39

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Solution

The fourth proportional to 765,276,656,955.60, 1,056,113,870,592.20 and 440,116,202,646.39 is: 607,378,811,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,276,656,955.60 : 1,056,113,870,592.20 = 440,116,202,646.39 : x
  2. Step 2: Convert to fraction form
    765,276,656,955.60/1,056,113,870,592.20 = 440,116,202,646.39/x
  3. Step 3: Cross multiply
    765,276,656,955.60x = 1,056,113,870,592.20 × 440,116,202,646.39
  4. Step 4: Simplify right side
    765,276,656,955.60x = 464,812,826,287,219,970,932,736
  5. Step 5: Solve for x
    x = 464,812,826,287,219,970,932,736/765,276,656,955.60
  6. Step 6: Final answer
    x = 607,378,811,391.33

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Double scale
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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.