Home / 4,005,849,421.42-5,528,020,042.55-2,289,179,046.40

Finding the Fourth Proportional to 4,005,849,421.42, 5,528,020,042.55 and 2,289,179,046.40

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Solution

The fourth proportional to 4,005,849,421.42, 5,528,020,042.55 and 2,289,179,046.40 is: 3,159,037,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005,849,421.42 : 5,528,020,042.55 = 2,289,179,046.40 : x
  2. Step 2: Convert to fraction form
    4,005,849,421.42/5,528,020,042.55 = 2,289,179,046.40/x
  3. Step 3: Cross multiply
    4,005,849,421.42x = 5,528,020,042.55 × 2,289,179,046.40
  4. Step 4: Simplify right side
    4,005,849,421.42x = 12,654,627,649,476,599,808
  5. Step 5: Solve for x
    x = 12,654,627,649,476,599,808/4,005,849,421.42
  6. Step 6: Final answer
    x = 3,159,037,277.29

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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.