Home / 1,043,871,423.70-1,564,772,865.20-490,182,694.63

Finding the Fourth Proportional to 1,043,871,423.70, 1,564,772,865.20 and 490,182,694.63

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Solution

The fourth proportional to 1,043,871,423.70, 1,564,772,865.20 and 490,182,694.63 is: 734,788,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,871,423.70 : 1,564,772,865.20 = 490,182,694.63 : x
  2. Step 2: Convert to fraction form
    1,043,871,423.70/1,564,772,865.20 = 490,182,694.63/x
  3. Step 3: Cross multiply
    1,043,871,423.70x = 1,564,772,865.20 × 490,182,694.63
  4. Step 4: Simplify right side
    1,043,871,423.70x = 767,024,579,547,641,728
  5. Step 5: Solve for x
    x = 767,024,579,547,641,728/1,043,871,423.70
  6. Step 6: Final answer
    x = 734,788,367.74

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Double scale
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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.