Home / 20,896,348,911.04-31,358,008,386.96-7,630,496,493.04

Finding the Fourth Proportional to 20,896,348,911.04, 31,358,008,386.96 and 7,630,496,493.04

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Solution

The fourth proportional to 20,896,348,911.04, 31,358,008,386.96 and 7,630,496,493.04 is: 11,450,668,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,348,911.04 : 31,358,008,386.96 = 7,630,496,493.04 : x
  2. Step 2: Convert to fraction form
    20,896,348,911.04/31,358,008,386.96 = 7,630,496,493.04/x
  3. Step 3: Cross multiply
    20,896,348,911.04x = 31,358,008,386.96 × 7,630,496,493.04
  4. Step 4: Simplify right side
    20,896,348,911.04x = 239,277,173,025,417,166,848
  5. Step 5: Solve for x
    x = 239,277,173,025,417,166,848/20,896,348,911.04
  6. Step 6: Final answer
    x = 11,450,668,920.40

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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.