Home / 1,210,087,730.03-1,670,006,586.49-674,274,963.51

Finding the Fourth Proportional to 1,210,087,730.03, 1,670,006,586.49 and 674,274,963.51

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Solution

The fourth proportional to 1,210,087,730.03, 1,670,006,586.49 and 674,274,963.51 is: 930,547,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,087,730.03 : 1,670,006,586.49 = 674,274,963.51 : x
  2. Step 2: Convert to fraction form
    1,210,087,730.03/1,670,006,586.49 = 674,274,963.51/x
  3. Step 3: Cross multiply
    1,210,087,730.03x = 1,670,006,586.49 × 674,274,963.51
  4. Step 4: Simplify right side
    1,210,087,730.03x = 1,126,043,630,165,318,656
  5. Step 5: Solve for x
    x = 1,126,043,630,165,318,656/1,210,087,730.03
  6. Step 6: Final answer
    x = 930,547,101.85

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Double scale
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1.5x scale

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.