Home / 1,120,197,668.40-1,680,296,502.60-473,881,431.60

Finding the Fourth Proportional to 1,120,197,668.40, 1,680,296,502.60 and 473,881,431.60

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Solution

The fourth proportional to 1,120,197,668.40, 1,680,296,502.60 and 473,881,431.60 is: 710,822,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,197,668.40 : 1,680,296,502.60 = 473,881,431.60 : x
  2. Step 2: Convert to fraction form
    1,120,197,668.40/1,680,296,502.60 = 473,881,431.60/x
  3. Step 3: Cross multiply
    1,120,197,668.40x = 1,680,296,502.60 × 473,881,431.60
  4. Step 4: Simplify right side
    1,120,197,668.40x = 796,261,312,164,561,152
  5. Step 5: Solve for x
    x = 796,261,312,164,561,152/1,120,197,668.40
  6. Step 6: Final answer
    x = 710,822,147.40

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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.