Home / 885,658,264.40-1,329,243,223.80-395,126,411.60

Finding the Fourth Proportional to 885,658,264.40, 1,329,243,223.80 and 395,126,411.60

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Solution

The fourth proportional to 885,658,264.40, 1,329,243,223.80 and 395,126,411.60 is: 593,026,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,658,264.40 : 1,329,243,223.80 = 395,126,411.60 : x
  2. Step 2: Convert to fraction form
    885,658,264.40/1,329,243,223.80 = 395,126,411.60/x
  3. Step 3: Cross multiply
    885,658,264.40x = 1,329,243,223.80 × 395,126,411.60
  4. Step 4: Simplify right side
    885,658,264.40x = 525,219,105,163,709,760
  5. Step 5: Solve for x
    x = 525,219,105,163,709,760/885,658,264.40
  6. Step 6: Final answer
    x = 593,026,821.15

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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.