Home / 897,075,782.20-1,345,865,615.70-437,028,959.80

Finding the Fourth Proportional to 897,075,782.20, 1,345,865,615.70 and 437,028,959.80

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Solution

The fourth proportional to 897,075,782.20, 1,345,865,615.70 and 437,028,959.80 is: 655,666,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,075,782.20 : 1,345,865,615.70 = 437,028,959.80 : x
  2. Step 2: Convert to fraction form
    897,075,782.20/1,345,865,615.70 = 437,028,959.80/x
  3. Step 3: Cross multiply
    897,075,782.20x = 1,345,865,615.70 × 437,028,959.80
  4. Step 4: Simplify right side
    897,075,782.20x = 588,182,250,059,957,632
  5. Step 5: Solve for x
    x = 588,182,250,059,957,632/897,075,782.20
  6. Step 6: Final answer
    x = 655,666,178.63

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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.