Home / 473,299,754.40-709,949,631.60-320,417,373.60

Finding the Fourth Proportional to 473,299,754.40, 709,949,631.60 and 320,417,373.60

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Solution

The fourth proportional to 473,299,754.40, 709,949,631.60 and 320,417,373.60 is: 480,626,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,299,754.40 : 709,949,631.60 = 320,417,373.60 : x
  2. Step 2: Convert to fraction form
    473,299,754.40/709,949,631.60 = 320,417,373.60/x
  3. Step 3: Cross multiply
    473,299,754.40x = 709,949,631.60 × 320,417,373.60
  4. Step 4: Simplify right side
    473,299,754.40x = 227,480,196,345,559,584
  5. Step 5: Solve for x
    x = 227,480,196,345,559,584/473,299,754.40
  6. Step 6: Final answer
    x = 480,626,060.40

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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.