Home / 347,756,075.80-521,634,113.70-261,024,904.60

Finding the Fourth Proportional to 347,756,075.80, 521,634,113.70 and 261,024,904.60

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Solution

The fourth proportional to 347,756,075.80, 521,634,113.70 and 261,024,904.60 is: 391,537,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,756,075.80 : 521,634,113.70 = 261,024,904.60 : x
  2. Step 2: Convert to fraction form
    347,756,075.80/521,634,113.70 = 261,024,904.60/x
  3. Step 3: Cross multiply
    347,756,075.80x = 521,634,113.70 × 261,024,904.60
  4. Step 4: Simplify right side
    347,756,075.80x = 136,159,494,764,648,048
  5. Step 5: Solve for x
    x = 136,159,494,764,648,048/347,756,075.80
  6. Step 6: Final answer
    x = 391,537,356.90

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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.