Home / 423,159,114.30-634,738,671.45-355,134,666.30

Finding the Fourth Proportional to 423,159,114.30, 634,738,671.45 and 355,134,666.30

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Solution

The fourth proportional to 423,159,114.30, 634,738,671.45 and 355,134,666.30 is: 532,701,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,159,114.30 : 634,738,671.45 = 355,134,666.30 : x
  2. Step 2: Convert to fraction form
    423,159,114.30/634,738,671.45 = 355,134,666.30/x
  3. Step 3: Cross multiply
    423,159,114.30x = 634,738,671.45 × 355,134,666.30
  4. Step 4: Simplify right side
    423,159,114.30x = 225,417,706,273,101,120
  5. Step 5: Solve for x
    x = 225,417,706,273,101,120/423,159,114.30
  6. Step 6: Final answer
    x = 532,701,999.45

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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.