Home / 13,779,077,000.80-20,668,615,501.20-12,146,490,248.80

Finding the Fourth Proportional to 13,779,077,000.80, 20,668,615,501.20 and 12,146,490,248.80

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Solution

The fourth proportional to 13,779,077,000.80, 20,668,615,501.20 and 12,146,490,248.80 is: 18,219,735,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779,077,000.80 : 20,668,615,501.20 = 12,146,490,248.80 : x
  2. Step 2: Convert to fraction form
    13,779,077,000.80/20,668,615,501.20 = 12,146,490,248.80/x
  3. Step 3: Cross multiply
    13,779,077,000.80x = 20,668,615,501.20 × 12,146,490,248.80
  4. Step 4: Simplify right side
    13,779,077,000.80x = 251,051,136,641,522,302,976
  5. Step 5: Solve for x
    x = 251,051,136,641,522,302,976/13,779,077,000.80
  6. Step 6: Final answer
    x = 18,219,735,373.20

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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.