Home / 13,779,072,912.30-20,668,609,368.45-7,877,574,134.70

Finding the Fourth Proportional to 13,779,072,912.30, 20,668,609,368.45 and 7,877,574,134.70

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Solution

The fourth proportional to 13,779,072,912.30, 20,668,609,368.45 and 7,877,574,134.70 is: 11,816,361,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779,072,912.30 : 20,668,609,368.45 = 7,877,574,134.70 : x
  2. Step 2: Convert to fraction form
    13,779,072,912.30/20,668,609,368.45 = 7,877,574,134.70/x
  3. Step 3: Cross multiply
    13,779,072,912.30x = 20,668,609,368.45 × 7,877,574,134.70
  4. Step 4: Simplify right side
    13,779,072,912.30x = 162,818,502,561,119,830,016
  5. Step 5: Solve for x
    x = 162,818,502,561,119,830,016/13,779,072,912.30
  6. Step 6: Final answer
    x = 11,816,361,202.05

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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.