Home / 1,573,567,638.90-2,171,807,590.77-938,528,831.22

Finding the Fourth Proportional to 1,573,567,638.90, 2,171,807,590.77 and 938,528,831.22

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Solution

The fourth proportional to 1,573,567,638.90, 2,171,807,590.77 and 938,528,831.22 is: 1,295,339,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,567,638.90 : 2,171,807,590.77 = 938,528,831.22 : x
  2. Step 2: Convert to fraction form
    1,573,567,638.90/2,171,807,590.77 = 938,528,831.22/x
  3. Step 3: Cross multiply
    1,573,567,638.90x = 2,171,807,590.77 × 938,528,831.22
  4. Step 4: Simplify right side
    1,573,567,638.90x = 2,038,304,039,800,092,160
  5. Step 5: Solve for x
    x = 2,038,304,039,800,092,160/1,573,567,638.90
  6. Step 6: Final answer
    x = 1,295,339,322.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.