Home / 258,620,032,653.30-387,930,048,979.95-152,828,411,123.70

Finding the Fourth Proportional to 258,620,032,653.30, 387,930,048,979.95 and 152,828,411,123.70

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Solution

The fourth proportional to 258,620,032,653.30, 387,930,048,979.95 and 152,828,411,123.70 is: 229,242,616,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,620,032,653.30 : 387,930,048,979.95 = 152,828,411,123.70 : x
  2. Step 2: Convert to fraction form
    258,620,032,653.30/387,930,048,979.95 = 152,828,411,123.70/x
  3. Step 3: Cross multiply
    258,620,032,653.30x = 387,930,048,979.95 × 152,828,411,123.70
  4. Step 4: Simplify right side
    258,620,032,653.30x = 59,286,733,012,744,879,996,928
  5. Step 5: Solve for x
    x = 59,286,733,012,744,879,996,928/258,620,032,653.30
  6. Step 6: Final answer
    x = 229,242,616,685.55

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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.