Home / 873,256,561.60-1,309,884,842.40-801,830,891.20

Finding the Fourth Proportional to 873,256,561.60, 1,309,884,842.40 and 801,830,891.20

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Solution

The fourth proportional to 873,256,561.60, 1,309,884,842.40 and 801,830,891.20 is: 1,202,746,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,256,561.60 : 1,309,884,842.40 = 801,830,891.20 : x
  2. Step 2: Convert to fraction form
    873,256,561.60/1,309,884,842.40 = 801,830,891.20/x
  3. Step 3: Cross multiply
    873,256,561.60x = 1,309,884,842.40 × 801,830,891.20
  4. Step 4: Simplify right side
    873,256,561.60x = 1,050,306,130,550,963,712
  5. Step 5: Solve for x
    x = 1,050,306,130,550,963,712/873,256,561.60
  6. Step 6: Final answer
    x = 1,202,746,336.80

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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.