Home / 690,066,603.23-1,034,736,698.11-471,779,371.46

Finding the Fourth Proportional to 690,066,603.23, 1,034,736,698.11 and 471,779,371.46

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Solution

The fourth proportional to 690,066,603.23, 1,034,736,698.11 and 471,779,371.46 is: 707,420,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,066,603.23 : 1,034,736,698.11 = 471,779,371.46 : x
  2. Step 2: Convert to fraction form
    690,066,603.23/1,034,736,698.11 = 471,779,371.46/x
  3. Step 3: Cross multiply
    690,066,603.23x = 1,034,736,698.11 × 471,779,371.46
  4. Step 4: Simplify right side
    690,066,603.23x = 488,167,429,054,578,432
  5. Step 5: Solve for x
    x = 488,167,429,054,578,432/690,066,603.23
  6. Step 6: Final answer
    x = 707,420,742.82

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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.