Home / 698,917,487,852.85-1,048,678,253,316.20-375,842,689,281.30

Finding the Fourth Proportional to 698,917,487,852.85, 1,048,678,253,316.20 and 375,842,689,281.30

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Solution

The fourth proportional to 698,917,487,852.85, 1,048,678,253,316.20 and 375,842,689,281.30 is: 563,926,445,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,917,487,852.85 : 1,048,678,253,316.20 = 375,842,689,281.30 : x
  2. Step 2: Convert to fraction form
    698,917,487,852.85/1,048,678,253,316.20 = 375,842,689,281.30/x
  3. Step 3: Cross multiply
    698,917,487,852.85x = 1,048,678,253,316.20 × 375,842,689,281.30
  4. Step 4: Simplify right side
    698,917,487,852.85x = 394,138,054,917,176,910,938,112
  5. Step 5: Solve for x
    x = 394,138,054,917,176,910,938,112/698,917,487,852.85
  6. Step 6: Final answer
    x = 563,926,445,921.41

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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.