Home / 889,146,162.40-1,227,023,146.23-487,196,038.66

Finding the Fourth Proportional to 889,146,162.40, 1,227,023,146.23 and 487,196,038.66

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Solution

The fourth proportional to 889,146,162.40, 1,227,023,146.23 and 487,196,038.66 is: 672,331,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,146,162.40 : 1,227,023,146.23 = 487,196,038.66 : x
  2. Step 2: Convert to fraction form
    889,146,162.40/1,227,023,146.23 = 487,196,038.66/x
  3. Step 3: Cross multiply
    889,146,162.40x = 1,227,023,146.23 × 487,196,038.66
  4. Step 4: Simplify right side
    889,146,162.40x = 597,800,816,187,385,984
  5. Step 5: Solve for x
    x = 597,800,816,187,385,984/889,146,162.40
  6. Step 6: Final answer
    x = 672,331,323.54

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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.