Home / 659,742,130.20-988,962,344.10-368,748,658.20

Finding the Fourth Proportional to 659,742,130.20, 988,962,344.10 and 368,748,658.20

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Solution

The fourth proportional to 659,742,130.20, 988,962,344.10 and 368,748,658.20 is: 552,759,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,742,130.20 : 988,962,344.10 = 368,748,658.20 : x
  2. Step 2: Convert to fraction form
    659,742,130.20/988,962,344.10 = 368,748,658.20/x
  3. Step 3: Cross multiply
    659,742,130.20x = 988,962,344.10 × 368,748,658.20
  4. Step 4: Simplify right side
    659,742,130.20x = 364,678,537,397,201,664
  5. Step 5: Solve for x
    x = 364,678,537,397,201,664/659,742,130.20
  6. Step 6: Final answer
    x = 552,759,208.04

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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.