Home / 623,117,013.01-859,921,988.09-340,852,994.39

Finding the Fourth Proportional to 623,117,013.01, 859,921,988.09 and 340,852,994.39

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Solution

The fourth proportional to 623,117,013.01, 859,921,988.09 and 340,852,994.39 is: 470,388,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,117,013.01 : 859,921,988.09 = 340,852,994.39 : x
  2. Step 2: Convert to fraction form
    623,117,013.01/859,921,988.09 = 340,852,994.39/x
  3. Step 3: Cross multiply
    623,117,013.01x = 859,921,988.09 × 340,852,994.39
  4. Step 4: Simplify right side
    623,117,013.01x = 293,106,984,582,278,400
  5. Step 5: Solve for x
    x = 293,106,984,582,278,400/623,117,013.01
  6. Step 6: Final answer
    x = 470,388,351.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.