Home / 1,122,742,442.56-1,680,829,663.68-654,973,585.60

Finding the Fourth Proportional to 1,122,742,442.56, 1,680,829,663.68 and 654,973,585.60

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Solution

The fourth proportional to 1,122,742,442.56, 1,680,829,663.68 and 654,973,585.60 is: 980,544,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,742,442.56 : 1,680,829,663.68 = 654,973,585.60 : x
  2. Step 2: Convert to fraction form
    1,122,742,442.56/1,680,829,663.68 = 654,973,585.60/x
  3. Step 3: Cross multiply
    1,122,742,442.56x = 1,680,829,663.68 × 654,973,585.60
  4. Step 4: Simplify right side
    1,122,742,442.56x = 1,100,899,031,603,331,712
  5. Step 5: Solve for x
    x = 1,100,899,031,603,331,712/1,122,742,442.56
  6. Step 6: Final answer
    x = 980,544,593.20

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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.