Home / 738,051,385.50-1,018,532,169.63-408,047,782.14

Finding the Fourth Proportional to 738,051,385.50, 1,018,532,169.63 and 408,047,782.14

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Solution

The fourth proportional to 738,051,385.50, 1,018,532,169.63 and 408,047,782.14 is: 563,117,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,051,385.50 : 1,018,532,169.63 = 408,047,782.14 : x
  2. Step 2: Convert to fraction form
    738,051,385.50/1,018,532,169.63 = 408,047,782.14/x
  3. Step 3: Cross multiply
    738,051,385.50x = 1,018,532,169.63 × 408,047,782.14
  4. Step 4: Simplify right side
    738,051,385.50x = 415,609,792,855,763,776
  5. Step 5: Solve for x
    x = 415,609,792,855,763,776/738,051,385.50
  6. Step 6: Final answer
    x = 563,117,692.10

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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.