Home / 690,066,604.23-1,034,736,699.61-471,779,372.46

Finding the Fourth Proportional to 690,066,604.23, 1,034,736,699.61 and 471,779,372.46

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Solution

The fourth proportional to 690,066,604.23, 1,034,736,699.61 and 471,779,372.46 is: 707,420,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,066,604.23 : 1,034,736,699.61 = 471,779,372.46 : x
  2. Step 2: Convert to fraction form
    690,066,604.23/1,034,736,699.61 = 471,779,372.46/x
  3. Step 3: Cross multiply
    690,066,604.23x = 1,034,736,699.61 × 471,779,372.46
  4. Step 4: Simplify right side
    690,066,604.23x = 488,167,430,803,337,280
  5. Step 5: Solve for x
    x = 488,167,430,803,337,280/690,066,604.23
  6. Step 6: Final answer
    x = 707,420,744.33

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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.