Home / 1,262,834,003.05-1,742,722,200.70-698,357,080.45

Finding the Fourth Proportional to 1,262,834,003.05, 1,742,722,200.70 and 698,357,080.45

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Solution

The fourth proportional to 1,262,834,003.05, 1,742,722,200.70 and 698,357,080.45 is: 963,739,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,834,003.05 : 1,742,722,200.70 = 698,357,080.45 : x
  2. Step 2: Convert to fraction form
    1,262,834,003.05/1,742,722,200.70 = 698,357,080.45/x
  3. Step 3: Cross multiply
    1,262,834,003.05x = 1,742,722,200.70 × 698,357,080.45
  4. Step 4: Simplify right side
    1,262,834,003.05x = 1,217,042,388,116,683,264
  5. Step 5: Solve for x
    x = 1,217,042,388,116,683,264/1,262,834,003.05
  6. Step 6: Final answer
    x = 963,739,007.01

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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.