Home / 1,342,549,643.16-1,852,737,702.02-770,425,929.72

Finding the Fourth Proportional to 1,342,549,643.16, 1,852,737,702.02 and 770,425,929.72

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Solution

The fourth proportional to 1,342,549,643.16, 1,852,737,702.02 and 770,425,929.72 is: 1,063,198,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,549,643.16 : 1,852,737,702.02 = 770,425,929.72 : x
  2. Step 2: Convert to fraction form
    1,342,549,643.16/1,852,737,702.02 = 770,425,929.72/x
  3. Step 3: Cross multiply
    1,342,549,643.16x = 1,852,737,702.02 × 770,425,929.72
  4. Step 4: Simplify right side
    1,342,549,643.16x = 1,427,397,166,606,054,912
  5. Step 5: Solve for x
    x = 1,427,397,166,606,054,912/1,342,549,643.16
  6. Step 6: Final answer
    x = 1,063,198,797.81

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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.