Home / 1,252,323,386.37-1,728,018,803.75-716,389,841.25

Finding the Fourth Proportional to 1,252,323,386.37, 1,728,018,803.75 and 716,389,841.25

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Solution

The fourth proportional to 1,252,323,386.37, 1,728,018,803.75 and 716,389,841.25 is: 988,510,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,323,386.37 : 1,728,018,803.75 = 716,389,841.25 : x
  2. Step 2: Convert to fraction form
    1,252,323,386.37/1,728,018,803.75 = 716,389,841.25/x
  3. Step 3: Cross multiply
    1,252,323,386.37x = 1,728,018,803.75 × 716,389,841.25
  4. Step 4: Simplify right side
    1,252,323,386.37x = 1,237,935,116,491,895,296
  5. Step 5: Solve for x
    x = 1,237,935,116,491,895,296/1,252,323,386.37
  6. Step 6: Final answer
    x = 988,510,739.29

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Double scale
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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.