Home / 820,844,612.31-1,232,495,543.58-710,522,442.98

Finding the Fourth Proportional to 820,844,612.31, 1,232,495,543.58 and 710,522,442.98

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Solution

The fourth proportional to 820,844,612.31, 1,232,495,543.58 and 710,522,442.98 is: 1,066,847,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,844,612.31 : 1,232,495,543.58 = 710,522,442.98 : x
  2. Step 2: Convert to fraction form
    820,844,612.31/1,232,495,543.58 = 710,522,442.98/x
  3. Step 3: Cross multiply
    820,844,612.31x = 1,232,495,543.58 × 710,522,442.98
  4. Step 4: Simplify right side
    820,844,612.31x = 875,715,744,580,262,144
  5. Step 5: Solve for x
    x = 875,715,744,580,262,144/820,844,612.31
  6. Step 6: Final answer
    x = 1,066,847,161.38

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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.