Home / 1,790,254,547.40-2,685,381,821.10-918,558,447.15

Finding the Fourth Proportional to 1,790,254,547.40, 2,685,381,821.10 and 918,558,447.15

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Solution

The fourth proportional to 1,790,254,547.40, 2,685,381,821.10 and 918,558,447.15 is: 1,377,837,670.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,254,547.40 : 2,685,381,821.10 = 918,558,447.15 : x
  2. Step 2: Convert to fraction form
    1,790,254,547.40/2,685,381,821.10 = 918,558,447.15/x
  3. Step 3: Cross multiply
    1,790,254,547.40x = 2,685,381,821.10 × 918,558,447.15
  4. Step 4: Simplify right side
    1,790,254,547.40x = 2,466,680,155,594,455,040
  5. Step 5: Solve for x
    x = 2,466,680,155,594,455,040/1,790,254,547.40
  6. Step 6: Final answer
    x = 1,377,837,670.73

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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.