Home / 1,047,041,786.32-1,570,549,226.64-347,855,420.50

Finding the Fourth Proportional to 1,047,041,786.32, 1,570,549,226.64 and 347,855,420.50

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Solution

The fourth proportional to 1,047,041,786.32, 1,570,549,226.64 and 347,855,420.50 is: 521,778,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,041,786.32 : 1,570,549,226.64 = 347,855,420.50 : x
  2. Step 2: Convert to fraction form
    1,047,041,786.32/1,570,549,226.64 = 347,855,420.50/x
  3. Step 3: Cross multiply
    1,047,041,786.32x = 1,570,549,226.64 × 347,855,420.50
  4. Step 4: Simplify right side
    1,047,041,786.32x = 546,324,061,648,807,040
  5. Step 5: Solve for x
    x = 546,324,061,648,807,040/1,047,041,786.32
  6. Step 6: Final answer
    x = 521,778,661.36

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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.