Home / 887,373,646.20-1,224,611,688.55-490,889,800.00

Finding the Fourth Proportional to 887,373,646.20, 1,224,611,688.55 and 490,889,800.00

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Solution

The fourth proportional to 887,373,646.20, 1,224,611,688.55 and 490,889,800.00 is: 677,447,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,373,646.20 : 1,224,611,688.55 = 490,889,800.00 : x
  2. Step 2: Convert to fraction form
    887,373,646.20/1,224,611,688.55 = 490,889,800.00/x
  3. Step 3: Cross multiply
    887,373,646.20x = 1,224,611,688.55 × 490,889,800.00
  4. Step 4: Simplify right side
    887,373,646.20x = 601,149,386,864,750,336
  5. Step 5: Solve for x
    x = 601,149,386,864,750,336/887,373,646.20
  6. Step 6: Final answer
    x = 677,447,870.40

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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.