Home / 1,087,660,915.94-1,630,329,808.78-620,316,032.63

Finding the Fourth Proportional to 1,087,660,915.94, 1,630,329,808.78 and 620,316,032.63

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Solution

The fourth proportional to 1,087,660,915.94, 1,630,329,808.78 and 620,316,032.63 is: 929,811,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,660,915.94 : 1,630,329,808.78 = 620,316,032.63 : x
  2. Step 2: Convert to fraction form
    1,087,660,915.94/1,630,329,808.78 = 620,316,032.63/x
  3. Step 3: Cross multiply
    1,087,660,915.94x = 1,630,329,808.78 × 620,316,032.63
  4. Step 4: Simplify right side
    1,087,660,915.94x = 1,011,319,718,849,582,976
  5. Step 5: Solve for x
    x = 1,011,319,718,849,582,976/1,087,660,915.94
  6. Step 6: Final answer
    x = 929,811,583.77

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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.