Home / 767,761,430.10-1,151,642,145.15-683,108,783.70

Finding the Fourth Proportional to 767,761,430.10, 1,151,642,145.15 and 683,108,783.70

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Solution

The fourth proportional to 767,761,430.10, 1,151,642,145.15 and 683,108,783.70 is: 1,024,663,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,761,430.10 : 1,151,642,145.15 = 683,108,783.70 : x
  2. Step 2: Convert to fraction form
    767,761,430.10/1,151,642,145.15 = 683,108,783.70/x
  3. Step 3: Cross multiply
    767,761,430.10x = 1,151,642,145.15 × 683,108,783.70
  4. Step 4: Simplify right side
    767,761,430.10x = 786,696,865,031,075,456
  5. Step 5: Solve for x
    x = 786,696,865,031,075,456/767,761,430.10
  6. Step 6: Final answer
    x = 1,024,663,175.55

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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.