Home / 679,075,389.20-1,018,613,083.80-679,075,389.20

Finding the Fourth Proportional to 679,075,389.20, 1,018,613,083.80 and 679,075,389.20

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Solution

The fourth proportional to 679,075,389.20, 1,018,613,083.80 and 679,075,389.20 is: 1,018,613,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,075,389.20 : 1,018,613,083.80 = 679,075,389.20 : x
  2. Step 2: Convert to fraction form
    679,075,389.20/1,018,613,083.80 = 679,075,389.20/x
  3. Step 3: Cross multiply
    679,075,389.20x = 1,018,613,083.80 × 679,075,389.20
  4. Step 4: Simplify right side
    679,075,389.20x = 691,715,076,325,697,280
  5. Step 5: Solve for x
    x = 691,715,076,325,697,280/679,075,389.20
  6. Step 6: Final answer
    x = 1,018,613,083.80

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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.