Home / 896,462,038.45-1,237,119,263.85-500,010,581.62

Finding the Fourth Proportional to 896,462,038.45, 1,237,119,263.85 and 500,010,581.62

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Solution

The fourth proportional to 896,462,038.45, 1,237,119,263.85 and 500,010,581.62 is: 690,015,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,462,038.45 : 1,237,119,263.85 = 500,010,581.62 : x
  2. Step 2: Convert to fraction form
    896,462,038.45/1,237,119,263.85 = 500,010,581.62/x
  3. Step 3: Cross multiply
    896,462,038.45x = 1,237,119,263.85 × 500,010,581.62
  4. Step 4: Simplify right side
    896,462,038.45x = 618,572,722,650,944,640
  5. Step 5: Solve for x
    x = 618,572,722,650,944,640/896,462,038.45
  6. Step 6: Final answer
    x = 690,015,523.38

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Double scale
Find fourth proportional to 896,462,039.45, 1,237,119,265.23 and 500,010,582.62
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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.