Home / 7,581,006,877.90-10,461,475,201.81-4,147,688,347.78

Finding the Fourth Proportional to 7,581,006,877.90, 10,461,475,201.81 and 4,147,688,347.78

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Solution

The fourth proportional to 7,581,006,877.90, 10,461,475,201.81 and 4,147,688,347.78 is: 5,723,637,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581,006,877.90 : 10,461,475,201.81 = 4,147,688,347.78 : x
  2. Step 2: Convert to fraction form
    7,581,006,877.90/10,461,475,201.81 = 4,147,688,347.78/x
  3. Step 3: Cross multiply
    7,581,006,877.90x = 10,461,475,201.81 × 4,147,688,347.78
  4. Step 4: Simplify right side
    7,581,006,877.90x = 43,390,938,795,136,761,856
  5. Step 5: Solve for x
    x = 43,390,938,795,136,761,856/7,581,006,877.90
  6. Step 6: Final answer
    x = 5,723,637,967.09

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Double scale
Find fourth proportional to 7,581,006,878.90, 10,461,475,203.19 and 4,147,688,348.78
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1.5x scale

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.