Home / 988,704,289.60-1,483,056,434.40-574,888,897.60

Finding the Fourth Proportional to 988,704,289.60, 1,483,056,434.40 and 574,888,897.60

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Solution

The fourth proportional to 988,704,289.60, 1,483,056,434.40 and 574,888,897.60 is: 862,333,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,704,289.60 : 1,483,056,434.40 = 574,888,897.60 : x
  2. Step 2: Convert to fraction form
    988,704,289.60/1,483,056,434.40 = 574,888,897.60/x
  3. Step 3: Cross multiply
    988,704,289.60x = 1,483,056,434.40 × 574,888,897.60
  4. Step 4: Simplify right side
    988,704,289.60x = 852,592,678,650,802,816
  5. Step 5: Solve for x
    x = 852,592,678,650,802,816/988,704,289.60
  6. Step 6: Final answer
    x = 862,333,346.40

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Half scale
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Double scale
Find fourth proportional to 988,704,290.60, 1,483,056,435.90 and 574,888,898.60
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.