Home / 942,286,812.72-1,414,075,854.12-328,871,038.32

Finding the Fourth Proportional to 942,286,812.72, 1,414,075,854.12 and 328,871,038.32

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Solution

The fourth proportional to 942,286,812.72, 1,414,075,854.12 and 328,871,038.32 is: 493,531,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,286,812.72 : 1,414,075,854.12 = 328,871,038.32 : x
  2. Step 2: Convert to fraction form
    942,286,812.72/1,414,075,854.12 = 328,871,038.32/x
  3. Step 3: Cross multiply
    942,286,812.72x = 1,414,075,854.12 × 328,871,038.32
  4. Step 4: Simplify right side
    942,286,812.72x = 465,048,594,407,685,184
  5. Step 5: Solve for x
    x = 465,048,594,407,685,184/942,286,812.72
  6. Step 6: Final answer
    x = 493,531,892.98

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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.