Home / 1,249,289,833.80-1,724,020,134.12-692,408,833.32

Finding the Fourth Proportional to 1,249,289,833.80, 1,724,020,134.12 and 692,408,833.32

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Solution

The fourth proportional to 1,249,289,833.80, 1,724,020,134.12 and 692,408,833.32 is: 955,524,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,289,833.80 : 1,724,020,134.12 = 692,408,833.32 : x
  2. Step 2: Convert to fraction form
    1,249,289,833.80/1,724,020,134.12 = 692,408,833.32/x
  3. Step 3: Cross multiply
    1,249,289,833.80x = 1,724,020,134.12 × 692,408,833.32
  4. Step 4: Simplify right side
    1,249,289,833.80x = 1,193,726,769,686,219,264
  5. Step 5: Solve for x
    x = 1,193,726,769,686,219,264/1,249,289,833.80
  6. Step 6: Final answer
    x = 955,524,280.59

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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.