Home / 384,913,801.80-577,370,702.70-362,238,985.80

Finding the Fourth Proportional to 384,913,801.80, 577,370,702.70 and 362,238,985.80

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Solution

The fourth proportional to 384,913,801.80, 577,370,702.70 and 362,238,985.80 is: 543,358,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,913,801.80 : 577,370,702.70 = 362,238,985.80 : x
  2. Step 2: Convert to fraction form
    384,913,801.80/577,370,702.70 = 362,238,985.80/x
  3. Step 3: Cross multiply
    384,913,801.80x = 577,370,702.70 × 362,238,985.80
  4. Step 4: Simplify right side
    384,913,801.80x = 209,146,177,776,681,344
  5. Step 5: Solve for x
    x = 209,146,177,776,681,344/384,913,801.80
  6. Step 6: Final answer
    x = 543,358,478.70

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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.