Home / 1,572,049,702.80-2,358,074,554.20-990,440,672.40

Finding the Fourth Proportional to 1,572,049,702.80, 2,358,074,554.20 and 990,440,672.40

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Solution

The fourth proportional to 1,572,049,702.80, 2,358,074,554.20 and 990,440,672.40 is: 1,485,661,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,049,702.80 : 2,358,074,554.20 = 990,440,672.40 : x
  2. Step 2: Convert to fraction form
    1,572,049,702.80/2,358,074,554.20 = 990,440,672.40/x
  3. Step 3: Cross multiply
    1,572,049,702.80x = 2,358,074,554.20 × 990,440,672.40
  4. Step 4: Simplify right side
    1,572,049,702.80x = 2,335,532,947,031,178,240
  5. Step 5: Solve for x
    x = 2,335,532,947,031,178,240/1,572,049,702.80
  6. Step 6: Final answer
    x = 1,485,661,008.60

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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.