Home / 909,602,008.04-1,255,254,552.99-491,914,293.18

Finding the Fourth Proportional to 909,602,008.04, 1,255,254,552.99 and 491,914,293.18

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Solution

The fourth proportional to 909,602,008.04, 1,255,254,552.99 and 491,914,293.18 is: 678,843,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,602,008.04 : 1,255,254,552.99 = 491,914,293.18 : x
  2. Step 2: Convert to fraction form
    909,602,008.04/1,255,254,552.99 = 491,914,293.18/x
  3. Step 3: Cross multiply
    909,602,008.04x = 1,255,254,552.99 × 491,914,293.18
  4. Step 4: Simplify right side
    909,602,008.04x = 617,477,656,196,961,024
  5. Step 5: Solve for x
    x = 617,477,656,196,961,024/909,602,008.04
  6. Step 6: Final answer
    x = 678,843,769.85

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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.