Home / 827,743,582.99-1,240,592,977.80-710,333,651.46

Finding the Fourth Proportional to 827,743,582.99, 1,240,592,977.80 and 710,333,651.46

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Solution

The fourth proportional to 827,743,582.99, 1,240,592,977.80 and 710,333,651.46 is: 1,064,623,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,743,582.99 : 1,240,592,977.80 = 710,333,651.46 : x
  2. Step 2: Convert to fraction form
    827,743,582.99/1,240,592,977.80 = 710,333,651.46/x
  3. Step 3: Cross multiply
    827,743,582.99x = 1,240,592,977.80 × 710,333,651.46
  4. Step 4: Simplify right side
    827,743,582.99x = 881,234,939,903,660,288
  5. Step 5: Solve for x
    x = 881,234,939,903,660,288/827,743,582.99
  6. Step 6: Final answer
    x = 1,064,623,100.69

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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.