Home / 738,289,632.60-1,107,434,448.90-618,253,075.80

Finding the Fourth Proportional to 738,289,632.60, 1,107,434,448.90 and 618,253,075.80

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Solution

The fourth proportional to 738,289,632.60, 1,107,434,448.90 and 618,253,075.80 is: 927,379,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,289,632.60 : 1,107,434,448.90 = 618,253,075.80 : x
  2. Step 2: Convert to fraction form
    738,289,632.60/1,107,434,448.90 = 618,253,075.80/x
  3. Step 3: Cross multiply
    738,289,632.60x = 1,107,434,448.90 × 618,253,075.80
  4. Step 4: Simplify right side
    738,289,632.60x = 684,674,754,279,302,912
  5. Step 5: Solve for x
    x = 684,674,754,279,302,912/738,289,632.60
  6. Step 6: Final answer
    x = 927,379,613.70

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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.