Home / 286,631,852.42-429,400,038.90-240,242,285.46

Finding the Fourth Proportional to 286,631,852.42, 429,400,038.90 and 240,242,285.46

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Solution

The fourth proportional to 286,631,852.42, 429,400,038.90 and 240,242,285.46 is: 359,904,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,631,852.42 : 429,400,038.90 = 240,242,285.46 : x
  2. Step 2: Convert to fraction form
    286,631,852.42/429,400,038.90 = 240,242,285.46/x
  3. Step 3: Cross multiply
    286,631,852.42x = 429,400,038.90 × 240,242,285.46
  4. Step 4: Simplify right side
    286,631,852.42x = 103,160,046,721,948,896
  5. Step 5: Solve for x
    x = 103,160,046,721,948,896/286,631,852.42
  6. Step 6: Final answer
    x = 359,904,336.70

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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.