Home / 1,047,350,749.63-1,571,187,549.64-357,096,578.39

Finding the Fourth Proportional to 1,047,350,749.63, 1,571,187,549.64 and 357,096,578.39

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Solution

The fourth proportional to 1,047,350,749.63, 1,571,187,549.64 and 357,096,578.39 is: 535,699,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,350,749.63 : 1,571,187,549.64 = 357,096,578.39 : x
  2. Step 2: Convert to fraction form
    1,047,350,749.63/1,571,187,549.64 = 357,096,578.39/x
  3. Step 3: Cross multiply
    1,047,350,749.63x = 1,571,187,549.64 × 357,096,578.39
  4. Step 4: Simplify right side
    1,047,350,749.63x = 561,065,697,989,804,416
  5. Step 5: Solve for x
    x = 561,065,697,989,804,416/1,047,350,749.63
  6. Step 6: Final answer
    x = 535,699,905.87

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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.