Home / 896,090,721.20-1,344,136,081.80-714,692,193.20

Finding the Fourth Proportional to 896,090,721.20, 1,344,136,081.80 and 714,692,193.20

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Solution

The fourth proportional to 896,090,721.20, 1,344,136,081.80 and 714,692,193.20 is: 1,072,038,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,090,721.20 : 1,344,136,081.80 = 714,692,193.20 : x
  2. Step 2: Convert to fraction form
    896,090,721.20/1,344,136,081.80 = 714,692,193.20/x
  3. Step 3: Cross multiply
    896,090,721.20x = 1,344,136,081.80 × 714,692,193.20
  4. Step 4: Simplify right side
    896,090,721.20x = 960,643,564,260,896,640
  5. Step 5: Solve for x
    x = 960,643,564,260,896,640/896,090,721.20
  6. Step 6: Final answer
    x = 1,072,038,289.80

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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.