Home / 778,896,010.80-1,168,344,016.20-773,521,239.60

Finding the Fourth Proportional to 778,896,010.80, 1,168,344,016.20 and 773,521,239.60

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Solution

The fourth proportional to 778,896,010.80, 1,168,344,016.20 and 773,521,239.60 is: 1,160,281,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,896,010.80 : 1,168,344,016.20 = 773,521,239.60 : x
  2. Step 2: Convert to fraction form
    778,896,010.80/1,168,344,016.20 = 773,521,239.60/x
  3. Step 3: Cross multiply
    778,896,010.80x = 1,168,344,016.20 × 773,521,239.60
  4. Step 4: Simplify right side
    778,896,010.80x = 903,738,911,690,266,496
  5. Step 5: Solve for x
    x = 903,738,911,690,266,496/778,896,010.80
  6. Step 6: Final answer
    x = 1,160,281,859.40

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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.