Home / 1,087,660,916.19-1,630,329,809.15-620,316,032.88

Finding the Fourth Proportional to 1,087,660,916.19, 1,630,329,809.15 and 620,316,032.88

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Solution

The fourth proportional to 1,087,660,916.19, 1,630,329,809.15 and 620,316,032.88 is: 929,811,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,660,916.19 : 1,630,329,809.15 = 620,316,032.88 : x
  2. Step 2: Convert to fraction form
    1,087,660,916.19/1,630,329,809.15 = 620,316,032.88/x
  3. Step 3: Cross multiply
    1,087,660,916.19x = 1,630,329,809.15 × 620,316,032.88
  4. Step 4: Simplify right side
    1,087,660,916.19x = 1,011,319,719,493,372,544
  5. Step 5: Solve for x
    x = 1,011,319,719,493,372,544/1,087,660,916.19
  6. Step 6: Final answer
    x = 929,811,584.14

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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.