Home / 453,307,466.80-679,961,200.20-146,630,580.40

Finding the Fourth Proportional to 453,307,466.80, 679,961,200.20 and 146,630,580.40

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Solution

The fourth proportional to 453,307,466.80, 679,961,200.20 and 146,630,580.40 is: 219,945,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,307,466.80 : 679,961,200.20 = 146,630,580.40 : x
  2. Step 2: Convert to fraction form
    453,307,466.80/679,961,200.20 = 146,630,580.40/x
  3. Step 3: Cross multiply
    453,307,466.80x = 679,961,200.20 × 146,630,580.40
  4. Step 4: Simplify right side
    453,307,466.80x = 99,703,105,434,806,608
  5. Step 5: Solve for x
    x = 99,703,105,434,806,608/453,307,466.80
  6. Step 6: Final answer
    x = 219,945,870.60

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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.