Home / 1,046,411,998.60-1,569,334,562.70-309,480,478.60

Finding the Fourth Proportional to 1,046,411,998.60, 1,569,334,562.70 and 309,480,478.60

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Solution

The fourth proportional to 1,046,411,998.60, 1,569,334,562.70 and 309,480,478.60 is: 464,136,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,411,998.60 : 1,569,334,562.70 = 309,480,478.60 : x
  2. Step 2: Convert to fraction form
    1,046,411,998.60/1,569,334,562.70 = 309,480,478.60/x
  3. Step 3: Cross multiply
    1,046,411,998.60x = 1,569,334,562.70 × 309,480,478.60
  4. Step 4: Simplify right side
    1,046,411,998.60x = 485,678,411,547,917,760
  5. Step 5: Solve for x
    x = 485,678,411,547,917,760/1,046,411,998.60
  6. Step 6: Final answer
    x = 464,136,890.82

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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.