Home / 645,893,312.14-969,267,868.53-354,963,603.34

Finding the Fourth Proportional to 645,893,312.14, 969,267,868.53 and 354,963,603.34

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Solution

The fourth proportional to 645,893,312.14, 969,267,868.53 and 354,963,603.34 is: 532,680,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,893,312.14 : 969,267,868.53 = 354,963,603.34 : x
  2. Step 2: Convert to fraction form
    645,893,312.14/969,267,868.53 = 354,963,603.34/x
  3. Step 3: Cross multiply
    645,893,312.14x = 969,267,868.53 × 354,963,603.34
  4. Step 4: Simplify right side
    645,893,312.14x = 344,054,815,215,090,176
  5. Step 5: Solve for x
    x = 344,054,815,215,090,176/645,893,312.14
  6. Step 6: Final answer
    x = 532,680,566.20

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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.