Home / 1,159,574,812.10-1,739,362,218.15-393,669,916.10

Finding the Fourth Proportional to 1,159,574,812.10, 1,739,362,218.15 and 393,669,916.10

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Solution

The fourth proportional to 1,159,574,812.10, 1,739,362,218.15 and 393,669,916.10 is: 590,504,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,574,812.10 : 1,739,362,218.15 = 393,669,916.10 : x
  2. Step 2: Convert to fraction form
    1,159,574,812.10/1,739,362,218.15 = 393,669,916.10/x
  3. Step 3: Cross multiply
    1,159,574,812.10x = 1,739,362,218.15 × 393,669,916.10
  4. Step 4: Simplify right side
    1,159,574,812.10x = 684,734,578,486,620,416
  5. Step 5: Solve for x
    x = 684,734,578,486,620,416/1,159,574,812.10
  6. Step 6: Final answer
    x = 590,504,874.15

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Half scale
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Double scale
Find fourth proportional to 1,159,574,813.10, 1,739,362,219.65 and 393,669,917.10
Similar ratio
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1.5x scale

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.