Home / 920,021,849,181.60-1,380,060,888,228.40-315,638,576,795.02

Finding the Fourth Proportional to 920,021,849,181.60, 1,380,060,888,228.40 and 315,638,576,795.02

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Solution

The fourth proportional to 920,021,849,181.60, 1,380,060,888,228.40 and 315,638,576,795.02 is: 473,467,510,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,021,849,181.60 : 1,380,060,888,228.40 = 315,638,576,795.02 : x
  2. Step 2: Convert to fraction form
    920,021,849,181.60/1,380,060,888,228.40 = 315,638,576,795.02/x
  3. Step 3: Cross multiply
    920,021,849,181.60x = 1,380,060,888,228.40 × 315,638,576,795.02
  4. Step 4: Simplify right side
    920,021,849,181.60x = 435,600,454,650,883,364,356,096
  5. Step 5: Solve for x
    x = 435,600,454,650,883,364,356,096/920,021,849,181.60
  6. Step 6: Final answer
    x = 473,467,510,623.11

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Double scale
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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.