Home / 287,593,510.80-431,390,266.20-241,677,008.40

Finding the Fourth Proportional to 287,593,510.80, 431,390,266.20 and 241,677,008.40

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Solution

The fourth proportional to 287,593,510.80, 431,390,266.20 and 241,677,008.40 is: 362,515,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,593,510.80 : 431,390,266.20 = 241,677,008.40 : x
  2. Step 2: Convert to fraction form
    287,593,510.80/431,390,266.20 = 241,677,008.40/x
  3. Step 3: Cross multiply
    287,593,510.80x = 431,390,266.20 × 241,677,008.40
  4. Step 4: Simplify right side
    287,593,510.80x = 104,257,108,988,095,632
  5. Step 5: Solve for x
    x = 104,257,108,988,095,632/287,593,510.80
  6. Step 6: Final answer
    x = 362,515,512.60

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1.5x scale

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.