Home / 1,242,686,702.64-1,863,984,652.50-369,265,370.64

Finding the Fourth Proportional to 1,242,686,702.64, 1,863,984,652.50 and 369,265,370.64

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Solution

The fourth proportional to 1,242,686,702.64, 1,863,984,652.50 and 369,265,370.64 is: 553,884,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,686,702.64 : 1,863,984,652.50 = 369,265,370.64 : x
  2. Step 2: Convert to fraction form
    1,242,686,702.64/1,863,984,652.50 = 369,265,370.64/x
  3. Step 3: Cross multiply
    1,242,686,702.64x = 1,863,984,652.50 × 369,265,370.64
  4. Step 4: Simplify right side
    1,242,686,702.64x = 688,304,983,567,097,344
  5. Step 5: Solve for x
    x = 688,304,983,567,097,344/1,242,686,702.64
  6. Step 6: Final answer
    x = 553,884,564.87

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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.