Home / 12,957,779,677.01-19,436,669,515.51-3,641,527,605.59

Finding the Fourth Proportional to 12,957,779,677.01, 19,436,669,515.51 and 3,641,527,605.59

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Solution

The fourth proportional to 12,957,779,677.01, 19,436,669,515.51 and 3,641,527,605.59 is: 5,462,291,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,779,677.01 : 19,436,669,515.51 = 3,641,527,605.59 : x
  2. Step 2: Convert to fraction form
    12,957,779,677.01/19,436,669,515.51 = 3,641,527,605.59/x
  3. Step 3: Cross multiply
    12,957,779,677.01x = 19,436,669,515.51 × 3,641,527,605.59
  4. Step 4: Simplify right side
    12,957,779,677.01x = 70,779,168,601,425,248,256
  5. Step 5: Solve for x
    x = 70,779,168,601,425,248,256/12,957,779,677.01
  6. Step 6: Final answer
    x = 5,462,291,408.38

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Double scale
Find fourth proportional to 12,957,779,678.01, 19,436,669,517.01 and 3,641,527,606.59
Similar ratio
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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.