Home / 2,688,361,831.40-4,032,542,747.10-1,581,830,810.60

Finding the Fourth Proportional to 2,688,361,831.40, 4,032,542,747.10 and 1,581,830,810.60

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Solution

The fourth proportional to 2,688,361,831.40, 4,032,542,747.10 and 1,581,830,810.60 is: 2,372,746,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,361,831.40 : 4,032,542,747.10 = 1,581,830,810.60 : x
  2. Step 2: Convert to fraction form
    2,688,361,831.40/4,032,542,747.10 = 1,581,830,810.60/x
  3. Step 3: Cross multiply
    2,688,361,831.40x = 4,032,542,747.10 × 1,581,830,810.60
  4. Step 4: Simplify right side
    2,688,361,831.40x = 6,378,800,362,424,343,552
  5. Step 5: Solve for x
    x = 6,378,800,362,424,343,552/2,688,361,831.40
  6. Step 6: Final answer
    x = 2,372,746,215.90

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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.