Home / 1,047,938,805.60-1,572,048,176.40-357,672,616.80

Finding the Fourth Proportional to 1,047,938,805.60, 1,572,048,176.40 and 357,672,616.80

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Solution

The fourth proportional to 1,047,938,805.60, 1,572,048,176.40 and 357,672,616.80 is: 536,556,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,938,805.60 : 1,572,048,176.40 = 357,672,616.80 : x
  2. Step 2: Convert to fraction form
    1,047,938,805.60/1,572,048,176.40 = 357,672,616.80/x
  3. Step 3: Cross multiply
    1,047,938,805.60x = 1,572,048,176.40 × 357,672,616.80
  4. Step 4: Simplify right side
    1,047,938,805.60x = 562,278,584,988,656,064
  5. Step 5: Solve for x
    x = 562,278,584,988,656,064/1,047,938,805.60
  6. Step 6: Final answer
    x = 536,556,697.76

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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.