Home / 1,154,919,938.40-1,732,805,060.40-378,590,925.60

Finding the Fourth Proportional to 1,154,919,938.40, 1,732,805,060.40 and 378,590,925.60

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Solution

The fourth proportional to 1,154,919,938.40, 1,732,805,060.40 and 378,590,925.60 is: 568,025,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,919,938.40 : 1,732,805,060.40 = 378,590,925.60 : x
  2. Step 2: Convert to fraction form
    1,154,919,938.40/1,732,805,060.40 = 378,590,925.60/x
  3. Step 3: Cross multiply
    1,154,919,938.40x = 1,732,805,060.40 × 378,590,925.60
  4. Step 4: Simplify right side
    1,154,919,938.40x = 656,024,271,701,200,000
  5. Step 5: Solve for x
    x = 656,024,271,701,200,000/1,154,919,938.40
  6. Step 6: Final answer
    x = 568,025,756.50

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Double scale
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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.