Home / 963,635,959.12-1,445,485,125.72-458,742,602.32

Finding the Fourth Proportional to 963,635,959.12, 1,445,485,125.72 and 458,742,602.32

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Solution

The fourth proportional to 963,635,959.12, 1,445,485,125.72 and 458,742,602.32 is: 688,128,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,635,959.12 : 1,445,485,125.72 = 458,742,602.32 : x
  2. Step 2: Convert to fraction form
    963,635,959.12/1,445,485,125.72 = 458,742,602.32/x
  3. Step 3: Cross multiply
    963,635,959.12x = 1,445,485,125.72 × 458,742,602.32
  4. Step 4: Simplify right side
    963,635,959.12x = 663,105,608,187,645,184
  5. Step 5: Solve for x
    x = 663,105,608,187,645,184/963,635,959.12
  6. Step 6: Final answer
    x = 688,128,750.19

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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.