Home / 1,690,518,948.16-2,332,918,893-937,832,143.18

Finding the Fourth Proportional to 1,690,518,948.16, 2,332,918,893 and 937,832,143.18

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Solution

The fourth proportional to 1,690,518,948.16, 2,332,918,893 and 937,832,143.18 is: 1,294,209,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,518,948.16 : 2,332,918,893 = 937,832,143.18 : x
  2. Step 2: Convert to fraction form
    1,690,518,948.16/2,332,918,893 = 937,832,143.18/x
  3. Step 3: Cross multiply
    1,690,518,948.16x = 2,332,918,893 × 937,832,143.18
  4. Step 4: Simplify right side
    1,690,518,948.16x = 2,187,886,325,287,302,912
  5. Step 5: Solve for x
    x = 2,187,886,325,287,302,912/1,690,518,948.16
  6. Step 6: Final answer
    x = 1,294,209,880.15

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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.