Home / 19,315,586,430.40-28,973,379,645.60-16,866,706,302.40

Finding the Fourth Proportional to 19,315,586,430.40, 28,973,379,645.60 and 16,866,706,302.40

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Solution

The fourth proportional to 19,315,586,430.40, 28,973,379,645.60 and 16,866,706,302.40 is: 25,300,059,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,586,430.40 : 28,973,379,645.60 = 16,866,706,302.40 : x
  2. Step 2: Convert to fraction form
    19,315,586,430.40/28,973,379,645.60 = 16,866,706,302.40/x
  3. Step 3: Cross multiply
    19,315,586,430.40x = 28,973,379,645.60 × 16,866,706,302.40
  4. Step 4: Simplify right side
    19,315,586,430.40x = 488,685,485,070,269,349,888
  5. Step 5: Solve for x
    x = 488,685,485,070,269,349,888/19,315,586,430.40
  6. Step 6: Final answer
    x = 25,300,059,453.60

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Double scale
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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.