Home / 453,418,547.70-680,211,802.35-146,720,666.10

Finding the Fourth Proportional to 453,418,547.70, 680,211,802.35 and 146,720,666.10

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Solution

The fourth proportional to 453,418,547.70, 680,211,802.35 and 146,720,666.10 is: 220,108,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,418,547.70 : 680,211,802.35 = 146,720,666.10 : x
  2. Step 2: Convert to fraction form
    453,418,547.70/680,211,802.35 = 146,720,666.10/x
  3. Step 3: Cross multiply
    453,418,547.70x = 680,211,802.35 × 146,720,666.10
  4. Step 4: Simplify right side
    453,418,547.70x = 99,801,128,729,873,552
  5. Step 5: Solve for x
    x = 99,801,128,729,873,552/453,418,547.70
  6. Step 6: Final answer
    x = 220,108,174.30

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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.