Home / 1,019,484,075.18-1,529,234,962.86-329,391,402.96

Finding the Fourth Proportional to 1,019,484,075.18, 1,529,234,962.86 and 329,391,402.96

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Solution

The fourth proportional to 1,019,484,075.18, 1,529,234,962.86 and 329,391,402.96 is: 494,089,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,484,075.18 : 1,529,234,962.86 = 329,391,402.96 : x
  2. Step 2: Convert to fraction form
    1,019,484,075.18/1,529,234,962.86 = 329,391,402.96/x
  3. Step 3: Cross multiply
    1,019,484,075.18x = 1,529,234,962.86 × 329,391,402.96
  4. Step 4: Simplify right side
    1,019,484,075.18x = 503,716,849,871,938,816
  5. Step 5: Solve for x
    x = 503,716,849,871,938,816/1,019,484,075.18
  6. Step 6: Final answer
    x = 494,089,963.87

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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.