Home / 580,608,045.90-870,986,718.45-289,623,905.10

Finding the Fourth Proportional to 580,608,045.90, 870,986,718.45 and 289,623,905.10

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Solution

The fourth proportional to 580,608,045.90, 870,986,718.45 and 289,623,905.10 is: 434,473,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,608,045.90 : 870,986,718.45 = 289,623,905.10 : x
  2. Step 2: Convert to fraction form
    580,608,045.90/870,986,718.45 = 289,623,905.10/x
  3. Step 3: Cross multiply
    580,608,045.90x = 870,986,718.45 × 289,623,905.10
  4. Step 4: Simplify right side
    580,608,045.90x = 252,258,574,687,723,264
  5. Step 5: Solve for x
    x = 252,258,574,687,723,264/580,608,045.90
  6. Step 6: Final answer
    x = 434,473,095.01

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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.