Home / 1,539,814,173.50-2,308,798,860.20-490,098,948.68

Finding the Fourth Proportional to 1,539,814,173.50, 2,308,798,860.20 and 490,098,948.68

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Solution

The fourth proportional to 1,539,814,173.50, 2,308,798,860.20 and 490,098,948.68 is: 734,854,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,814,173.50 : 2,308,798,860.20 = 490,098,948.68 : x
  2. Step 2: Convert to fraction form
    1,539,814,173.50/2,308,798,860.20 = 490,098,948.68/x
  3. Step 3: Cross multiply
    1,539,814,173.50x = 2,308,798,860.20 × 490,098,948.68
  4. Step 4: Simplify right side
    1,539,814,173.50x = 1,131,539,894,097,602,176
  5. Step 5: Solve for x
    x = 1,131,539,894,097,602,176/1,539,814,173.50
  6. Step 6: Final answer
    x = 734,854,837.40

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Double scale
Find fourth proportional to 1,539,814,174.50, 2,308,798,861.70 and 490,098,949.68
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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.