Home / 1,046,412,010.60-1,569,334,580.70-309,480,490.60

Finding the Fourth Proportional to 1,046,412,010.60, 1,569,334,580.70 and 309,480,490.60

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Solution

The fourth proportional to 1,046,412,010.60, 1,569,334,580.70 and 309,480,490.60 is: 464,136,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,412,010.60 : 1,569,334,580.70 = 309,480,490.60 : x
  2. Step 2: Convert to fraction form
    1,046,412,010.60/1,569,334,580.70 = 309,480,490.60/x
  3. Step 3: Cross multiply
    1,046,412,010.60x = 1,569,334,580.70 × 309,480,490.60
  4. Step 4: Simplify right side
    1,046,412,010.60x = 485,678,435,950,581,312
  5. Step 5: Solve for x
    x = 485,678,435,950,581,312/1,046,412,010.60
  6. Step 6: Final answer
    x = 464,136,908.82

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Double scale
Find fourth proportional to 1,046,412,011.60, 1,569,334,582.20 and 309,480,491.60
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1.5x scale

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.