Home / 392,688,123.40-589,032,185.10-283,849,006.60

Finding the Fourth Proportional to 392,688,123.40, 589,032,185.10 and 283,849,006.60

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Solution

The fourth proportional to 392,688,123.40, 589,032,185.10 and 283,849,006.60 is: 425,773,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,688,123.40 : 589,032,185.10 = 283,849,006.60 : x
  2. Step 2: Convert to fraction form
    392,688,123.40/589,032,185.10 = 283,849,006.60/x
  3. Step 3: Cross multiply
    392,688,123.40x = 589,032,185.10 × 283,849,006.60
  4. Step 4: Simplify right side
    392,688,123.40x = 167,196,200,596,062,336
  5. Step 5: Solve for x
    x = 167,196,200,596,062,336/392,688,123.40
  6. Step 6: Final answer
    x = 425,773,509.90

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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.