Home / 28,142,520,686.16-38,836,537,405.92-15,282,045,767.04

Finding the Fourth Proportional to 28,142,520,686.16, 38,836,537,405.92 and 15,282,045,767.04

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Solution

The fourth proportional to 28,142,520,686.16, 38,836,537,405.92 and 15,282,045,767.04 is: 21,089,146,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,142,520,686.16 : 38,836,537,405.92 = 15,282,045,767.04 : x
  2. Step 2: Convert to fraction form
    28,142,520,686.16/38,836,537,405.92 = 15,282,045,767.04/x
  3. Step 3: Cross multiply
    28,142,520,686.16x = 38,836,537,405.92 × 15,282,045,767.04
  4. Step 4: Simplify right side
    28,142,520,686.16x = 593,501,742,070,630,318,080
  5. Step 5: Solve for x
    x = 593,501,742,070,630,318,080/28,142,520,686.16
  6. Step 6: Final answer
    x = 21,089,146,515.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.