Home / 906,607,338.60-1,359,911,007.90-293,631,479.40

Finding the Fourth Proportional to 906,607,338.60, 1,359,911,007.90 and 293,631,479.40

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Solution

The fourth proportional to 906,607,338.60, 1,359,911,007.90 and 293,631,479.40 is: 440,447,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,607,338.60 : 1,359,911,007.90 = 293,631,479.40 : x
  2. Step 2: Convert to fraction form
    906,607,338.60/1,359,911,007.90 = 293,631,479.40/x
  3. Step 3: Cross multiply
    906,607,338.60x = 1,359,911,007.90 × 293,631,479.40
  4. Step 4: Simplify right side
    906,607,338.60x = 399,312,681,102,022,080
  5. Step 5: Solve for x
    x = 399,312,681,102,022,080/906,607,338.60
  6. Step 6: Final answer
    x = 440,447,219.10

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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.