Home / 1,122,461,352.80-1,683,692,029.20-709,212,831.20

Finding the Fourth Proportional to 1,122,461,352.80, 1,683,692,029.20 and 709,212,831.20

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Solution

The fourth proportional to 1,122,461,352.80, 1,683,692,029.20 and 709,212,831.20 is: 1,063,819,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,461,352.80 : 1,683,692,029.20 = 709,212,831.20 : x
  2. Step 2: Convert to fraction form
    1,122,461,352.80/1,683,692,029.20 = 709,212,831.20/x
  3. Step 3: Cross multiply
    1,122,461,352.80x = 1,683,692,029.20 × 709,212,831.20
  4. Step 4: Simplify right side
    1,122,461,352.80x = 1,194,095,990,897,805,312
  5. Step 5: Solve for x
    x = 1,194,095,990,897,805,312/1,122,461,352.80
  6. Step 6: Final answer
    x = 1,063,819,246.80

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Double scale
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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.