Home / 1,019,781,738,638.50-1,407,318,387,592.30-556,827,132,970.10

Finding the Fourth Proportional to 1,019,781,738,638.50, 1,407,318,387,592.30 and 556,827,132,970.10

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Solution

The fourth proportional to 1,019,781,738,638.50, 1,407,318,387,592.30 and 556,827,132,970.10 is: 768,432,139,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,781,738,638.50 : 1,407,318,387,592.30 = 556,827,132,970.10 : x
  2. Step 2: Convert to fraction form
    1,019,781,738,638.50/1,407,318,387,592.30 = 556,827,132,970.10/x
  3. Step 3: Cross multiply
    1,019,781,738,638.50x = 1,407,318,387,592.30 × 556,827,132,970.10
  4. Step 4: Simplify right side
    1,019,781,738,638.50x = 783,633,062,939,124,366,835,712
  5. Step 5: Solve for x
    x = 783,633,062,939,124,366,835,712/1,019,781,738,638.50
  6. Step 6: Final answer
    x = 768,432,139,200.05

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.