Home / 1,560,218,432.58-2,153,100,918.78-855,355,280.40

Finding the Fourth Proportional to 1,560,218,432.58, 2,153,100,918.78 and 855,355,280.40

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Solution

The fourth proportional to 1,560,218,432.58, 2,153,100,918.78 and 855,355,280.40 is: 1,180,390,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,218,432.58 : 2,153,100,918.78 = 855,355,280.40 : x
  2. Step 2: Convert to fraction form
    1,560,218,432.58/2,153,100,918.78 = 855,355,280.40/x
  3. Step 3: Cross multiply
    1,560,218,432.58x = 2,153,100,918.78 × 855,355,280.40
  4. Step 4: Simplify right side
    1,560,218,432.58x = 1,841,666,240,112,564,736
  5. Step 5: Solve for x
    x = 1,841,666,240,112,564,736/1,560,218,432.58
  6. Step 6: Final answer
    x = 1,180,390,002.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.