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Finding the Fourth Proportional to 446,927,300.20, 670,390,950.30 and 446,927,300.20

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Solution

The fourth proportional to 446,927,300.20, 670,390,950.30 and 446,927,300.20 is: 670,390,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,927,300.20 : 670,390,950.30 = 446,927,300.20 : x
  2. Step 2: Convert to fraction form
    446,927,300.20/670,390,950.30 = 446,927,300.20/x
  3. Step 3: Cross multiply
    446,927,300.20x = 670,390,950.30 × 446,927,300.20
  4. Step 4: Simplify right side
    446,927,300.20x = 299,616,017,496,091,328
  5. Step 5: Solve for x
    x = 299,616,017,496,091,328/446,927,300.20
  6. Step 6: Final answer
    x = 670,390,950.30

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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.