Home / 702,432,023.10-1,053,648,034.65-688,995,095.10

Finding the Fourth Proportional to 702,432,023.10, 1,053,648,034.65 and 688,995,095.10

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Solution

The fourth proportional to 702,432,023.10, 1,053,648,034.65 and 688,995,095.10 is: 1,033,492,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,432,023.10 : 1,053,648,034.65 = 688,995,095.10 : x
  2. Step 2: Convert to fraction form
    702,432,023.10/1,053,648,034.65 = 688,995,095.10/x
  3. Step 3: Cross multiply
    702,432,023.10x = 1,053,648,034.65 × 688,995,095.10
  4. Step 4: Simplify right side
    702,432,023.10x = 725,958,327,835,604,864
  5. Step 5: Solve for x
    x = 725,958,327,835,604,864/702,432,023.10
  6. Step 6: Final answer
    x = 1,033,492,642.65

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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.