Home / 1,355,762,675.60-2,033,644,013.40-386,288,320.40

Finding the Fourth Proportional to 1,355,762,675.60, 2,033,644,013.40 and 386,288,320.40

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Solution

The fourth proportional to 1,355,762,675.60, 2,033,644,013.40 and 386,288,320.40 is: 579,432,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,762,675.60 : 2,033,644,013.40 = 386,288,320.40 : x
  2. Step 2: Convert to fraction form
    1,355,762,675.60/2,033,644,013.40 = 386,288,320.40/x
  3. Step 3: Cross multiply
    1,355,762,675.60x = 2,033,644,013.40 × 386,288,320.40
  4. Step 4: Simplify right side
    1,355,762,675.60x = 785,572,930,227,801,088
  5. Step 5: Solve for x
    x = 785,572,930,227,801,088/1,355,762,675.60
  6. Step 6: Final answer
    x = 579,432,480.60

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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.