Home / 868,973,455.60-1,301,759,572.20-522,899,076.40

Finding the Fourth Proportional to 868,973,455.60, 1,301,759,572.20 and 522,899,076.40

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Solution

The fourth proportional to 868,973,455.60, 1,301,759,572.20 and 522,899,076.40 is: 783,325,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,973,455.60 : 1,301,759,572.20 = 522,899,076.40 : x
  2. Step 2: Convert to fraction form
    868,973,455.60/1,301,759,572.20 = 522,899,076.40/x
  3. Step 3: Cross multiply
    868,973,455.60x = 1,301,759,572.20 × 522,899,076.40
  4. Step 4: Simplify right side
    868,973,455.60x = 680,688,877,998,239,104
  5. Step 5: Solve for x
    x = 680,688,877,998,239,104/868,973,455.60
  6. Step 6: Final answer
    x = 783,325,282.97

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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.