Home / 1,260,520,117.90-1,890,450,153.76-374,966,880.23

Finding the Fourth Proportional to 1,260,520,117.90, 1,890,450,153.76 and 374,966,880.23

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Solution

The fourth proportional to 1,260,520,117.90, 1,890,450,153.76 and 374,966,880.23 is: 562,352,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,520,117.90 : 1,890,450,153.76 = 374,966,880.23 : x
  2. Step 2: Convert to fraction form
    1,260,520,117.90/1,890,450,153.76 = 374,966,880.23/x
  3. Step 3: Cross multiply
    1,260,520,117.90x = 1,890,450,153.76 × 374,966,880.23
  4. Step 4: Simplify right side
    1,260,520,117.90x = 708,856,196,385,710,976
  5. Step 5: Solve for x
    x = 708,856,196,385,710,976/1,260,520,117.90
  6. Step 6: Final answer
    x = 562,352,148.39

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Double scale
Find fourth proportional to 1,260,520,118.90, 1,890,450,155.26 and 374,966,881.23
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1.5x scale

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.