Home / 1,153,872,353.60-1,730,808,530.40-723,890,657.60

Finding the Fourth Proportional to 1,153,872,353.60, 1,730,808,530.40 and 723,890,657.60

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Solution

The fourth proportional to 1,153,872,353.60, 1,730,808,530.40 and 723,890,657.60 is: 1,085,835,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,872,353.60 : 1,730,808,530.40 = 723,890,657.60 : x
  2. Step 2: Convert to fraction form
    1,153,872,353.60/1,730,808,530.40 = 723,890,657.60/x
  3. Step 3: Cross multiply
    1,153,872,353.60x = 1,730,808,530.40 × 723,890,657.60
  4. Step 4: Simplify right side
    1,153,872,353.60x = 1,252,916,125,250,945,792
  5. Step 5: Solve for x
    x = 1,252,916,125,250,945,792/1,153,872,353.60
  6. Step 6: Final answer
    x = 1,085,835,986.40

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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.