Home / 5,637,889,430.40-8,456,834,145.60-3,433,897,315.20

Finding the Fourth Proportional to 5,637,889,430.40, 8,456,834,145.60 and 3,433,897,315.20

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Solution

The fourth proportional to 5,637,889,430.40, 8,456,834,145.60 and 3,433,897,315.20 is: 5,150,845,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637,889,430.40 : 8,456,834,145.60 = 3,433,897,315.20 : x
  2. Step 2: Convert to fraction form
    5,637,889,430.40/8,456,834,145.60 = 3,433,897,315.20/x
  3. Step 3: Cross multiply
    5,637,889,430.40x = 8,456,834,145.60 × 3,433,897,315.20
  4. Step 4: Simplify right side
    5,637,889,430.40x = 29,039,900,067,667,525,632
  5. Step 5: Solve for x
    x = 29,039,900,067,667,525,632/5,637,889,430.40
  6. Step 6: Final answer
    x = 5,150,845,972.80

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Double scale
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Similar ratio
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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.