Home / 708,624,671.80-1,062,937,007.70-609,989,222.20

Finding the Fourth Proportional to 708,624,671.80, 1,062,937,007.70 and 609,989,222.20

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Solution

The fourth proportional to 708,624,671.80, 1,062,937,007.70 and 609,989,222.20 is: 914,983,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,624,671.80 : 1,062,937,007.70 = 609,989,222.20 : x
  2. Step 2: Convert to fraction form
    708,624,671.80/1,062,937,007.70 = 609,989,222.20/x
  3. Step 3: Cross multiply
    708,624,671.80x = 1,062,937,007.70 × 609,989,222.20
  4. Step 4: Simplify right side
    708,624,671.80x = 648,380,118,574,518,528
  5. Step 5: Solve for x
    x = 648,380,118,574,518,528/708,624,671.80
  6. Step 6: Final answer
    x = 914,983,833.30

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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.