Home / 698,156,964.10-1,047,151,465.35-289,170,468.10

Finding the Fourth Proportional to 698,156,964.10, 1,047,151,465.35 and 289,170,468.10

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Solution

The fourth proportional to 698,156,964.10, 1,047,151,465.35 and 289,170,468.10 is: 433,720,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,156,964.10 : 1,047,151,465.35 = 289,170,468.10 : x
  2. Step 2: Convert to fraction form
    698,156,964.10/1,047,151,465.35 = 289,170,468.10/x
  3. Step 3: Cross multiply
    698,156,964.10x = 1,047,151,465.35 × 289,170,468.10
  4. Step 4: Simplify right side
    698,156,964.10x = 302,805,279,406,860,480
  5. Step 5: Solve for x
    x = 302,805,279,406,860,480/698,156,964.10
  6. Step 6: Final answer
    x = 433,720,918.04

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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.