Home / 1,047,191,311.40-1,570,786,967.10-1,031,885,810.60

Finding the Fourth Proportional to 1,047,191,311.40, 1,570,786,967.10 and 1,031,885,810.60

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Solution

The fourth proportional to 1,047,191,311.40, 1,570,786,967.10 and 1,031,885,810.60 is: 1,547,828,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,191,311.40 : 1,570,786,967.10 = 1,031,885,810.60 : x
  2. Step 2: Convert to fraction form
    1,047,191,311.40/1,570,786,967.10 = 1,031,885,810.60/x
  3. Step 3: Cross multiply
    1,047,191,311.40x = 1,570,786,967.10 × 1,031,885,810.60
  4. Step 4: Simplify right side
    1,047,191,311.40x = 1,620,872,782,825,899,008
  5. Step 5: Solve for x
    x = 1,620,872,782,825,899,008/1,047,191,311.40
  6. Step 6: Final answer
    x = 1,547,828,715.90

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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.