Home / 579,411,007.20-869,116,510.80-349,261,624.80

Finding the Fourth Proportional to 579,411,007.20, 869,116,510.80 and 349,261,624.80

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Solution

The fourth proportional to 579,411,007.20, 869,116,510.80 and 349,261,624.80 is: 523,892,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,411,007.20 : 869,116,510.80 = 349,261,624.80 : x
  2. Step 2: Convert to fraction form
    579,411,007.20/869,116,510.80 = 349,261,624.80/x
  3. Step 3: Cross multiply
    579,411,007.20x = 869,116,510.80 × 349,261,624.80
  4. Step 4: Simplify right side
    579,411,007.20x = 303,549,044,702,514,752
  5. Step 5: Solve for x
    x = 303,549,044,702,514,752/579,411,007.20
  6. Step 6: Final answer
    x = 523,892,437.20

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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.