Home / 920,021,849,192.55-1,380,060,888,244.70-315,638,576,805.91

Finding the Fourth Proportional to 920,021,849,192.55, 1,380,060,888,244.70 and 315,638,576,805.91

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Solution

The fourth proportional to 920,021,849,192.55, 1,380,060,888,244.70 and 315,638,576,805.91 is: 473,467,510,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,021,849,192.55 : 1,380,060,888,244.70 = 315,638,576,805.91 : x
  2. Step 2: Convert to fraction form
    920,021,849,192.55/1,380,060,888,244.70 = 315,638,576,805.91/x
  3. Step 3: Cross multiply
    920,021,849,192.55x = 1,380,060,888,244.70 × 315,638,576,805.91
  4. Step 4: Simplify right side
    920,021,849,192.55x = 435,600,454,671,057,094,180,864
  5. Step 5: Solve for x
    x = 435,600,454,671,057,094,180,864/920,021,849,192.55
  6. Step 6: Final answer
    x = 473,467,510,639.40

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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.