Home / 7,779,817,923.61-11,663,187,503.64-6,302,293,648.78

Finding the Fourth Proportional to 7,779,817,923.61, 11,663,187,503.64 and 6,302,293,648.78

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Solution

The fourth proportional to 7,779,817,923.61, 11,663,187,503.64 and 6,302,293,648.78 is: 9,448,143,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779,817,923.61 : 11,663,187,503.64 = 6,302,293,648.78 : x
  2. Step 2: Convert to fraction form
    7,779,817,923.61/11,663,187,503.64 = 6,302,293,648.78/x
  3. Step 3: Cross multiply
    7,779,817,923.61x = 11,663,187,503.64 × 6,302,293,648.78
  4. Step 4: Simplify right side
    7,779,817,923.61x = 73,504,832,528,720,625,664
  5. Step 5: Solve for x
    x = 73,504,832,528,720,625,664/7,779,817,923.61
  6. Step 6: Final answer
    x = 9,448,143,035.03

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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.