Home / 265,315,828,538.40-397,973,742,807.60-265,315,828,538.40

Finding the Fourth Proportional to 265,315,828,538.40, 397,973,742,807.60 and 265,315,828,538.40

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Solution

The fourth proportional to 265,315,828,538.40, 397,973,742,807.60 and 265,315,828,538.40 is: 397,973,742,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,315,828,538.40 : 397,973,742,807.60 = 265,315,828,538.40 : x
  2. Step 2: Convert to fraction form
    265,315,828,538.40/397,973,742,807.60 = 265,315,828,538.40/x
  3. Step 3: Cross multiply
    265,315,828,538.40x = 397,973,742,807.60 × 265,315,828,538.40
  4. Step 4: Simplify right side
    265,315,828,538.40x = 105,588,733,309,526,487,334,912
  5. Step 5: Solve for x
    x = 105,588,733,309,526,487,334,912/265,315,828,538.40
  6. Step 6: Final answer
    x = 397,973,742,807.60

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Double scale
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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.