Home / 42,902,813,855.52-64,363,483,579.68-13,059,478,648.80

Finding the Fourth Proportional to 42,902,813,855.52, 64,363,483,579.68 and 13,059,478,648.80

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Solution

The fourth proportional to 42,902,813,855.52, 64,363,483,579.68 and 13,059,478,648.80 is: 19,592,037,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,902,813,855.52 : 64,363,483,579.68 = 13,059,478,648.80 : x
  2. Step 2: Convert to fraction form
    42,902,813,855.52/64,363,483,579.68 = 13,059,478,648.80/x
  3. Step 3: Cross multiply
    42,902,813,855.52x = 64,363,483,579.68 × 13,059,478,648.80
  4. Step 4: Simplify right side
    42,902,813,855.52x = 840,553,539,571,220,348,928
  5. Step 5: Solve for x
    x = 840,553,539,571,220,348,928/42,902,813,855.52
  6. Step 6: Final answer
    x = 19,592,037,538.65

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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.