Home / 839,812,154.80-1,259,718,232.20-608,529,031.60

Finding the Fourth Proportional to 839,812,154.80, 1,259,718,232.20 and 608,529,031.60

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Solution

The fourth proportional to 839,812,154.80, 1,259,718,232.20 and 608,529,031.60 is: 912,793,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,812,154.80 : 1,259,718,232.20 = 608,529,031.60 : x
  2. Step 2: Convert to fraction form
    839,812,154.80/1,259,718,232.20 = 608,529,031.60/x
  3. Step 3: Cross multiply
    839,812,154.80x = 1,259,718,232.20 × 608,529,031.60
  4. Step 4: Simplify right side
    839,812,154.80x = 766,575,115,929,529,984
  5. Step 5: Solve for x
    x = 766,575,115,929,529,984/839,812,154.80
  6. Step 6: Final answer
    x = 912,793,547.40

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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.