Home / 30,243,775,075.20-45,365,662,612.80-8,160,771,772.80

Finding the Fourth Proportional to 30,243,775,075.20, 45,365,662,612.80 and 8,160,771,772.80

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Solution

The fourth proportional to 30,243,775,075.20, 45,365,662,612.80 and 8,160,771,772.80 is: 12,241,157,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243,775,075.20 : 45,365,662,612.80 = 8,160,771,772.80 : x
  2. Step 2: Convert to fraction form
    30,243,775,075.20/45,365,662,612.80 = 8,160,771,772.80/x
  3. Step 3: Cross multiply
    30,243,775,075.20x = 45,365,662,612.80 × 8,160,771,772.80
  4. Step 4: Simplify right side
    30,243,775,075.20x = 370,218,818,904,906,596,352
  5. Step 5: Solve for x
    x = 370,218,818,904,906,596,352/30,243,775,075.20
  6. Step 6: Final answer
    x = 12,241,157,659.20

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1.5x scale

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.