Home / 1,812,864,820,838.10-2,501,972,830,477.20-1,031,787,866,149.40

Finding the Fourth Proportional to 1,812,864,820,838.10, 2,501,972,830,477.20 and 1,031,787,866,149.40

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Solution

The fourth proportional to 1,812,864,820,838.10, 2,501,972,830,477.20 and 1,031,787,866,149.40 is: 1,423,992,113,614.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,864,820,838.10 : 2,501,972,830,477.20 = 1,031,787,866,149.40 : x
  2. Step 2: Convert to fraction form
    1,812,864,820,838.10/2,501,972,830,477.20 = 1,031,787,866,149.40/x
  3. Step 3: Cross multiply
    1,812,864,820,838.10x = 2,501,972,830,477.20 × 1,031,787,866,149.40
  4. Step 4: Simplify right side
    1,812,864,820,838.10x = 2,581,505,207,921,845,139,931,136
  5. Step 5: Solve for x
    x = 2,581,505,207,921,845,139,931,136/1,812,864,820,838.10
  6. Step 6: Final answer
    x = 1,423,992,113,614.07

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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.