Home / 1,574,710,639.48-2,173,058,580.54-869,847,450.52

Finding the Fourth Proportional to 1,574,710,639.48, 2,173,058,580.54 and 869,847,450.52

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Solution

The fourth proportional to 1,574,710,639.48, 2,173,058,580.54 and 869,847,450.52 is: 1,200,366,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,710,639.48 : 2,173,058,580.54 = 869,847,450.52 : x
  2. Step 2: Convert to fraction form
    1,574,710,639.48/2,173,058,580.54 = 869,847,450.52/x
  3. Step 3: Cross multiply
    1,574,710,639.48x = 2,173,058,580.54 × 869,847,450.52
  4. Step 4: Simplify right side
    1,574,710,639.48x = 1,890,229,466,113,328,896
  5. Step 5: Solve for x
    x = 1,890,229,466,113,328,896/1,574,710,639.48
  6. Step 6: Final answer
    x = 1,200,366,225.21

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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.