Home / 752,408,513.90-1,038,326,154.70-417,880,975.70

Finding the Fourth Proportional to 752,408,513.90, 1,038,326,154.70 and 417,880,975.70

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Solution

The fourth proportional to 752,408,513.90, 1,038,326,154.70 and 417,880,975.70 is: 576,677,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,408,513.90 : 1,038,326,154.70 = 417,880,975.70 : x
  2. Step 2: Convert to fraction form
    752,408,513.90/1,038,326,154.70 = 417,880,975.70/x
  3. Step 3: Cross multiply
    752,408,513.90x = 1,038,326,154.70 × 417,880,975.70
  4. Step 4: Simplify right side
    752,408,513.90x = 433,896,746,620,865,152
  5. Step 5: Solve for x
    x = 433,896,746,620,865,152/752,408,513.90
  6. Step 6: Final answer
    x = 576,677,082.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.