Home / 260,348,601,222.91-390,573,193,448.20-98,987,461,795.47

Finding the Fourth Proportional to 260,348,601,222.91, 390,573,193,448.20 and 98,987,461,795.47

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Solution

The fourth proportional to 260,348,601,222.91, 390,573,193,448.20 and 98,987,461,795.47 is: 148,500,314,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,348,601,222.91 : 390,573,193,448.20 = 98,987,461,795.47 : x
  2. Step 2: Convert to fraction form
    260,348,601,222.91/390,573,193,448.20 = 98,987,461,795.47/x
  3. Step 3: Cross multiply
    260,348,601,222.91x = 390,573,193,448.20 × 98,987,461,795.47
  4. Step 4: Simplify right side
    260,348,601,222.91x = 38,661,849,064,788,411,285,504
  5. Step 5: Solve for x
    x = 38,661,849,064,788,411,285,504/260,348,601,222.91
  6. Step 6: Final answer
    x = 148,500,314,129.54

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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.