Home / 359,006,813.40-538,510,220.10-297,784,810.20

Finding the Fourth Proportional to 359,006,813.40, 538,510,220.10 and 297,784,810.20

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Solution

The fourth proportional to 359,006,813.40, 538,510,220.10 and 297,784,810.20 is: 446,677,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,006,813.40 : 538,510,220.10 = 297,784,810.20 : x
  2. Step 2: Convert to fraction form
    359,006,813.40/538,510,220.10 = 297,784,810.20/x
  3. Step 3: Cross multiply
    359,006,813.40x = 538,510,220.10 × 297,784,810.20
  4. Step 4: Simplify right side
    359,006,813.40x = 160,360,163,683,238,720
  5. Step 5: Solve for x
    x = 160,360,163,683,238,720/359,006,813.40
  6. Step 6: Final answer
    x = 446,677,215.30

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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.