Home / 1,473,059,422.80-2,209,907,998.80-438,024,931.20

Finding the Fourth Proportional to 1,473,059,422.80, 2,209,907,998.80 and 438,024,931.20

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Solution

The fourth proportional to 1,473,059,422.80, 2,209,907,998.80 and 438,024,931.20 is: 657,132,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,059,422.80 : 2,209,907,998.80 = 438,024,931.20 : x
  2. Step 2: Convert to fraction form
    1,473,059,422.80/2,209,907,998.80 = 438,024,931.20/x
  3. Step 3: Cross multiply
    1,473,059,422.80x = 2,209,907,998.80 × 438,024,931.20
  4. Step 4: Simplify right side
    1,473,059,422.80x = 967,994,799,132,699,776
  5. Step 5: Solve for x
    x = 967,994,799,132,699,776/1,473,059,422.80
  6. Step 6: Final answer
    x = 657,132,213.51

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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.