Home / 688,927,353.60-1,033,391,030.40-252,082,851.60

Finding the Fourth Proportional to 688,927,353.60, 1,033,391,030.40 and 252,082,851.60

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Solution

The fourth proportional to 688,927,353.60, 1,033,391,030.40 and 252,082,851.60 is: 378,124,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,927,353.60 : 1,033,391,030.40 = 252,082,851.60 : x
  2. Step 2: Convert to fraction form
    688,927,353.60/1,033,391,030.40 = 252,082,851.60/x
  3. Step 3: Cross multiply
    688,927,353.60x = 1,033,391,030.40 × 252,082,851.60
  4. Step 4: Simplify right side
    688,927,353.60x = 260,500,157,761,094,272
  5. Step 5: Solve for x
    x = 260,500,157,761,094,272/688,927,353.60
  6. Step 6: Final answer
    x = 378,124,277.40

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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.