Home / 1,008,935,366.20-1,513,403,049.30-619,495,401.40

Finding the Fourth Proportional to 1,008,935,366.20, 1,513,403,049.30 and 619,495,401.40

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Solution

The fourth proportional to 1,008,935,366.20, 1,513,403,049.30 and 619,495,401.40 is: 929,243,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,935,366.20 : 1,513,403,049.30 = 619,495,401.40 : x
  2. Step 2: Convert to fraction form
    1,008,935,366.20/1,513,403,049.30 = 619,495,401.40/x
  3. Step 3: Cross multiply
    1,008,935,366.20x = 1,513,403,049.30 × 619,495,401.40
  4. Step 4: Simplify right side
    1,008,935,366.20x = 937,546,229,506,087,424
  5. Step 5: Solve for x
    x = 937,546,229,506,087,424/1,008,935,366.20
  6. Step 6: Final answer
    x = 929,243,102.10

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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.