Home / 484,574,678.40-726,862,017.60-436,201,737.60

Finding the Fourth Proportional to 484,574,678.40, 726,862,017.60 and 436,201,737.60

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Solution

The fourth proportional to 484,574,678.40, 726,862,017.60 and 436,201,737.60 is: 654,302,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,574,678.40 : 726,862,017.60 = 436,201,737.60 : x
  2. Step 2: Convert to fraction form
    484,574,678.40/726,862,017.60 = 436,201,737.60/x
  3. Step 3: Cross multiply
    484,574,678.40x = 726,862,017.60 × 436,201,737.60
  4. Step 4: Simplify right side
    484,574,678.40x = 317,058,475,072,561,792
  5. Step 5: Solve for x
    x = 317,058,475,072,561,792/484,574,678.40
  6. Step 6: Final answer
    x = 654,302,606.40

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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.