Home / 714,995,020.44-1,072,495,955.96-217,009,861.01

Finding the Fourth Proportional to 714,995,020.44, 1,072,495,955.96 and 217,009,861.01

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Solution

The fourth proportional to 714,995,020.44, 1,072,495,955.96 and 217,009,861.01 is: 325,515,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,995,020.44 : 1,072,495,955.96 = 217,009,861.01 : x
  2. Step 2: Convert to fraction form
    714,995,020.44/1,072,495,955.96 = 217,009,861.01/x
  3. Step 3: Cross multiply
    714,995,020.44x = 1,072,495,955.96 × 217,009,861.01
  4. Step 4: Simplify right side
    714,995,020.44x = 232,742,198,336,666,688
  5. Step 5: Solve for x
    x = 232,742,198,336,666,688/714,995,020.44
  6. Step 6: Final answer
    x = 325,515,831.14

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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.