Home / 1,298,924,301.45-1,792,775,946.60-770,581,551.45

Finding the Fourth Proportional to 1,298,924,301.45, 1,792,775,946.60 and 770,581,551.45

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Solution

The fourth proportional to 1,298,924,301.45, 1,792,775,946.60 and 770,581,551.45 is: 1,063,557,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,924,301.45 : 1,792,775,946.60 = 770,581,551.45 : x
  2. Step 2: Convert to fraction form
    1,298,924,301.45/1,792,775,946.60 = 770,581,551.45/x
  3. Step 3: Cross multiply
    1,298,924,301.45x = 1,792,775,946.60 × 770,581,551.45
  4. Step 4: Simplify right side
    1,298,924,301.45x = 1,381,480,070,333,270,272
  5. Step 5: Solve for x
    x = 1,381,480,070,333,270,272/1,298,924,301.45
  6. Step 6: Final answer
    x = 1,063,557,028.53

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Double scale
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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.