Home / 831,926,384-1,148,044,376.68-460,640,443.76

Finding the Fourth Proportional to 831,926,384, 1,148,044,376.68 and 460,640,443.76

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Solution

The fourth proportional to 831,926,384, 1,148,044,376.68 and 460,640,443.76 is: 635,676,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,926,384 : 1,148,044,376.68 = 460,640,443.76 : x
  2. Step 2: Convert to fraction form
    831,926,384/1,148,044,376.68 = 460,640,443.76/x
  3. Step 3: Cross multiply
    831,926,384x = 1,148,044,376.68 × 460,640,443.76
  4. Step 4: Simplify right side
    831,926,384x = 528,835,671,130,047,808
  5. Step 5: Solve for x
    x = 528,835,671,130,047,808/831,926,384
  6. Step 6: Final answer
    x = 635,676,042.14

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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.