Home / 1,094,674,075.20-1,639,721,858.40-512,904,859.20

Finding the Fourth Proportional to 1,094,674,075.20, 1,639,721,858.40 and 512,904,859.20

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Solution

The fourth proportional to 1,094,674,075.20, 1,639,721,858.40 and 512,904,859.20 is: 768,284,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,674,075.20 : 1,639,721,858.40 = 512,904,859.20 : x
  2. Step 2: Convert to fraction form
    1,094,674,075.20/1,639,721,858.40 = 512,904,859.20/x
  3. Step 3: Cross multiply
    1,094,674,075.20x = 1,639,721,858.40 × 512,904,859.20
  4. Step 4: Simplify right side
    1,094,674,075.20x = 841,021,308,909,814,400
  5. Step 5: Solve for x
    x = 841,021,308,909,814,400/1,094,674,075.20
  6. Step 6: Final answer
    x = 768,284,668.44

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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.