Home / 772,561,410.30-1,158,842,115.45-742,428,705.60

Finding the Fourth Proportional to 772,561,410.30, 1,158,842,115.45 and 742,428,705.60

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Solution

The fourth proportional to 772,561,410.30, 1,158,842,115.45 and 742,428,705.60 is: 1,113,643,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,561,410.30 : 1,158,842,115.45 = 742,428,705.60 : x
  2. Step 2: Convert to fraction form
    772,561,410.30/1,158,842,115.45 = 742,428,705.60/x
  3. Step 3: Cross multiply
    772,561,410.30x = 1,158,842,115.45 × 742,428,705.60
  4. Step 4: Simplify right side
    772,561,410.30x = 860,357,651,768,309,376
  5. Step 5: Solve for x
    x = 860,357,651,768,309,376/772,561,410.30
  6. Step 6: Final answer
    x = 1,113,643,058.40

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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.