Home / 1,492,992,000.80-2,239,488,001.20-918,886,810.40

Finding the Fourth Proportional to 1,492,992,000.80, 2,239,488,001.20 and 918,886,810.40

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Solution

The fourth proportional to 1,492,992,000.80, 2,239,488,001.20 and 918,886,810.40 is: 1,378,330,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,992,000.80 : 2,239,488,001.20 = 918,886,810.40 : x
  2. Step 2: Convert to fraction form
    1,492,992,000.80/2,239,488,001.20 = 918,886,810.40/x
  3. Step 3: Cross multiply
    1,492,992,000.80x = 2,239,488,001.20 × 918,886,810.40
  4. Step 4: Simplify right side
    1,492,992,000.80x = 2,057,835,986,351,739,136
  5. Step 5: Solve for x
    x = 2,057,835,986,351,739,136/1,492,992,000.80
  6. Step 6: Final answer
    x = 1,378,330,215.60

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1.5x scale

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.