Home / 963,635,957.12-1,445,485,122.72-458,742,600.32

Finding the Fourth Proportional to 963,635,957.12, 1,445,485,122.72 and 458,742,600.32

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Solution

The fourth proportional to 963,635,957.12, 1,445,485,122.72 and 458,742,600.32 is: 688,128,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,635,957.12 : 1,445,485,122.72 = 458,742,600.32 : x
  2. Step 2: Convert to fraction form
    963,635,957.12/1,445,485,122.72 = 458,742,600.32/x
  3. Step 3: Cross multiply
    963,635,957.12x = 1,445,485,122.72 × 458,742,600.32
  4. Step 4: Simplify right side
    963,635,957.12x = 663,105,603,920,447,104
  5. Step 5: Solve for x
    x = 663,105,603,920,447,104/963,635,957.12
  6. Step 6: Final answer
    x = 688,128,747.19

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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.