Home / 549,910,355.70-824,865,533.55-478,883,266.05

Finding the Fourth Proportional to 549,910,355.70, 824,865,533.55 and 478,883,266.05

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Solution

The fourth proportional to 549,910,355.70, 824,865,533.55 and 478,883,266.05 is: 718,324,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,910,355.70 : 824,865,533.55 = 478,883,266.05 : x
  2. Step 2: Convert to fraction form
    549,910,355.70/824,865,533.55 = 478,883,266.05/x
  3. Step 3: Cross multiply
    549,910,355.70x = 824,865,533.55 × 478,883,266.05
  4. Step 4: Simplify right side
    549,910,355.70x = 395,014,300,758,499,840
  5. Step 5: Solve for x
    x = 395,014,300,758,499,840/549,910,355.70
  6. Step 6: Final answer
    x = 718,324,899.08

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Double scale
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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.