Home / 1,047,540,030.72-1,570,853,783.04-300,390,715.68

Finding the Fourth Proportional to 1,047,540,030.72, 1,570,853,783.04 and 300,390,715.68

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Solution

The fourth proportional to 1,047,540,030.72, 1,570,853,783.04 and 300,390,715.68 is: 450,455,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,540,030.72 : 1,570,853,783.04 = 300,390,715.68 : x
  2. Step 2: Convert to fraction form
    1,047,540,030.72/1,570,853,783.04 = 300,390,715.68/x
  3. Step 3: Cross multiply
    1,047,540,030.72x = 1,570,853,783.04 × 300,390,715.68
  4. Step 4: Simplify right side
    1,047,540,030.72x = 471,869,892,116,021,056
  5. Step 5: Solve for x
    x = 471,869,892,116,021,056/1,047,540,030.72
  6. Step 6: Final answer
    x = 450,455,236.34

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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.