Home / 586,590,513.40-879,885,770.10-314,492,721.40

Finding the Fourth Proportional to 586,590,513.40, 879,885,770.10 and 314,492,721.40

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Solution

The fourth proportional to 586,590,513.40, 879,885,770.10 and 314,492,721.40 is: 471,739,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,590,513.40 : 879,885,770.10 = 314,492,721.40 : x
  2. Step 2: Convert to fraction form
    586,590,513.40/879,885,770.10 = 314,492,721.40/x
  3. Step 3: Cross multiply
    586,590,513.40x = 879,885,770.10 × 314,492,721.40
  4. Step 4: Simplify right side
    586,590,513.40x = 276,717,670,359,883,744
  5. Step 5: Solve for x
    x = 276,717,670,359,883,744/586,590,513.40
  6. Step 6: Final answer
    x = 471,739,082.10

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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.