Home / 1,239,847,481,669.40-1,710,989,510,805.10-669,564,521,861.40

Finding the Fourth Proportional to 1,239,847,481,669.40, 1,710,989,510,805.10 and 669,564,521,861.40

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Solution

The fourth proportional to 1,239,847,481,669.40, 1,710,989,510,805.10 and 669,564,521,861.40 is: 923,999,032,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,847,481,669.40 : 1,710,989,510,805.10 = 669,564,521,861.40 : x
  2. Step 2: Convert to fraction form
    1,239,847,481,669.40/1,710,989,510,805.10 = 669,564,521,861.40/x
  3. Step 3: Cross multiply
    1,239,847,481,669.40x = 1,710,989,510,805.10 × 669,564,521,861.40
  4. Step 4: Simplify right side
    1,239,847,481,669.40x = 1,145,617,873,712,087,549,607,936
  5. Step 5: Solve for x
    x = 1,145,617,873,712,087,549,607,936/1,239,847,481,669.40
  6. Step 6: Final answer
    x = 923,999,032,662.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.