Home / 1,055,702,409.60-1,582,209,921.60-940,144,828.80

Finding the Fourth Proportional to 1,055,702,409.60, 1,582,209,921.60 and 940,144,828.80

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Solution

The fourth proportional to 1,055,702,409.60, 1,582,209,921.60 and 940,144,828.80 is: 1,409,020,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,702,409.60 : 1,582,209,921.60 = 940,144,828.80 : x
  2. Step 2: Convert to fraction form
    1,055,702,409.60/1,582,209,921.60 = 940,144,828.80/x
  3. Step 3: Cross multiply
    1,055,702,409.60x = 1,582,209,921.60 × 940,144,828.80
  4. Step 4: Simplify right side
    1,055,702,409.60x = 1,487,506,475,868,293,376
  5. Step 5: Solve for x
    x = 1,487,506,475,868,293,376/1,055,702,409.60
  6. Step 6: Final answer
    x = 1,409,020,631.52

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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.