Home / 972,931,736.40-1,459,397,604.60-809,354,196.60

Finding the Fourth Proportional to 972,931,736.40, 1,459,397,604.60 and 809,354,196.60

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Solution

The fourth proportional to 972,931,736.40, 1,459,397,604.60 and 809,354,196.60 is: 1,214,031,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,931,736.40 : 1,459,397,604.60 = 809,354,196.60 : x
  2. Step 2: Convert to fraction form
    972,931,736.40/1,459,397,604.60 = 809,354,196.60/x
  3. Step 3: Cross multiply
    972,931,736.40x = 1,459,397,604.60 × 809,354,196.60
  4. Step 4: Simplify right side
    972,931,736.40x = 1,181,169,575,790,997,504
  5. Step 5: Solve for x
    x = 1,181,169,575,790,997,504/972,931,736.40
  6. Step 6: Final answer
    x = 1,214,031,294.90

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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.