Home / 1,423,009,209.90-2,134,513,814.85-934,807,824.30

Finding the Fourth Proportional to 1,423,009,209.90, 2,134,513,814.85 and 934,807,824.30

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Solution

The fourth proportional to 1,423,009,209.90, 2,134,513,814.85 and 934,807,824.30 is: 1,402,211,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,009,209.90 : 2,134,513,814.85 = 934,807,824.30 : x
  2. Step 2: Convert to fraction form
    1,423,009,209.90/2,134,513,814.85 = 934,807,824.30/x
  3. Step 3: Cross multiply
    1,423,009,209.90x = 2,134,513,814.85 × 934,807,824.30
  4. Step 4: Simplify right side
    1,423,009,209.90x = 1,995,360,215,198,221,312
  5. Step 5: Solve for x
    x = 1,995,360,215,198,221,312/1,423,009,209.90
  6. Step 6: Final answer
    x = 1,402,211,736.45

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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.