Home / 713,364,355.20-1,069,038,763.20-527,682,806.40

Finding the Fourth Proportional to 713,364,355.20, 1,069,038,763.20 and 527,682,806.40

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Solution

The fourth proportional to 713,364,355.20, 1,069,038,763.20 and 527,682,806.40 is: 790,778,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,364,355.20 : 1,069,038,763.20 = 527,682,806.40 : x
  2. Step 2: Convert to fraction form
    713,364,355.20/1,069,038,763.20 = 527,682,806.40/x
  3. Step 3: Cross multiply
    713,364,355.20x = 1,069,038,763.20 × 527,682,806.40
  4. Step 4: Simplify right side
    713,364,355.20x = 564,113,374,715,761,024
  5. Step 5: Solve for x
    x = 564,113,374,715,761,024/713,364,355.20
  6. Step 6: Final answer
    x = 790,778,752.27

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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.