Home / 1,030,029,345.84-1,421,450,618.76-560,140,877.64

Finding the Fourth Proportional to 1,030,029,345.84, 1,421,450,618.76 and 560,140,877.64

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Solution

The fourth proportional to 1,030,029,345.84, 1,421,450,618.76 and 560,140,877.64 is: 772,999,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,029,345.84 : 1,421,450,618.76 = 560,140,877.64 : x
  2. Step 2: Convert to fraction form
    1,030,029,345.84/1,421,450,618.76 = 560,140,877.64/x
  3. Step 3: Cross multiply
    1,030,029,345.84x = 1,421,450,618.76 × 560,140,877.64
  4. Step 4: Simplify right side
    1,030,029,345.84x = 796,212,597,114,147,456
  5. Step 5: Solve for x
    x = 796,212,597,114,147,456/1,030,029,345.84
  6. Step 6: Final answer
    x = 772,999,915.32

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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.