Home / 963,635,958.12-1,445,485,124.22-458,742,601.32

Finding the Fourth Proportional to 963,635,958.12, 1,445,485,124.22 and 458,742,601.32

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Solution

The fourth proportional to 963,635,958.12, 1,445,485,124.22 and 458,742,601.32 is: 688,128,748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,635,958.12 : 1,445,485,124.22 = 458,742,601.32 : x
  2. Step 2: Convert to fraction form
    963,635,958.12/1,445,485,124.22 = 458,742,601.32/x
  3. Step 3: Cross multiply
    963,635,958.12x = 1,445,485,124.22 × 458,742,601.32
  4. Step 4: Simplify right side
    963,635,958.12x = 663,105,606,054,046,080
  5. Step 5: Solve for x
    x = 663,105,606,054,046,080/963,635,958.12
  6. Step 6: Final answer
    x = 688,128,748.69

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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.