Home / 1,716,302,409.20-2,574,453,613.80-423,837,897.20

Finding the Fourth Proportional to 1,716,302,409.20, 2,574,453,613.80 and 423,837,897.20

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Solution

The fourth proportional to 1,716,302,409.20, 2,574,453,613.80 and 423,837,897.20 is: 635,756,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,302,409.20 : 2,574,453,613.80 = 423,837,897.20 : x
  2. Step 2: Convert to fraction form
    1,716,302,409.20/2,574,453,613.80 = 423,837,897.20/x
  3. Step 3: Cross multiply
    1,716,302,409.20x = 2,574,453,613.80 × 423,837,897.20
  4. Step 4: Simplify right side
    1,716,302,409.20x = 1,091,151,006,111,932,928
  5. Step 5: Solve for x
    x = 1,091,151,006,111,932,928/1,716,302,409.20
  6. Step 6: Final answer
    x = 635,756,845.80

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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.