Home / 1,009,034,270.40-1,513,551,405.60-464,838,686.40

Finding the Fourth Proportional to 1,009,034,270.40, 1,513,551,405.60 and 464,838,686.40

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Solution

The fourth proportional to 1,009,034,270.40, 1,513,551,405.60 and 464,838,686.40 is: 697,258,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,034,270.40 : 1,513,551,405.60 = 464,838,686.40 : x
  2. Step 2: Convert to fraction form
    1,009,034,270.40/1,513,551,405.60 = 464,838,686.40/x
  3. Step 3: Cross multiply
    1,009,034,270.40x = 1,513,551,405.60 × 464,838,686.40
  4. Step 4: Simplify right side
    1,009,034,270.40x = 703,557,247,177,977,472
  5. Step 5: Solve for x
    x = 703,557,247,177,977,472/1,009,034,270.40
  6. Step 6: Final answer
    x = 697,258,029.60

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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.