Home / 748,009,641.40-1,122,014,462.10-611,960,745.40

Finding the Fourth Proportional to 748,009,641.40, 1,122,014,462.10 and 611,960,745.40

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Solution

The fourth proportional to 748,009,641.40, 1,122,014,462.10 and 611,960,745.40 is: 917,941,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,009,641.40 : 1,122,014,462.10 = 611,960,745.40 : x
  2. Step 2: Convert to fraction form
    748,009,641.40/1,122,014,462.10 = 611,960,745.40/x
  3. Step 3: Cross multiply
    748,009,641.40x = 1,122,014,462.10 × 611,960,745.40
  4. Step 4: Simplify right side
    748,009,641.40x = 686,628,806,576,295,936
  5. Step 5: Solve for x
    x = 686,628,806,576,295,936/748,009,641.40
  6. Step 6: Final answer
    x = 917,941,118.10

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1.5x scale

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.