Home / 203,803,270,491.58-281,249,362,779.80-112,349,812,217.86

Finding the Fourth Proportional to 203,803,270,491.58, 281,249,362,779.80 and 112,349,812,217.86

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Solution

The fourth proportional to 203,803,270,491.58, 281,249,362,779.80 and 112,349,812,217.86 is: 155,043,209,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,803,270,491.58 : 281,249,362,779.80 = 112,349,812,217.86 : x
  2. Step 2: Convert to fraction form
    203,803,270,491.58/281,249,362,779.80 = 112,349,812,217.86/x
  3. Step 3: Cross multiply
    203,803,270,491.58x = 281,249,362,779.80 × 112,349,812,217.86
  4. Step 4: Simplify right side
    203,803,270,491.58x = 31,598,313,094,703,313,059,840
  5. Step 5: Solve for x
    x = 31,598,313,094,703,313,059,840/203,803,270,491.58
  6. Step 6: Final answer
    x = 155,043,209,161.89

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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.