Home / 849,632,677.61-1,172,337,447.65-473,279,899.53

Finding the Fourth Proportional to 849,632,677.61, 1,172,337,447.65 and 473,279,899.53

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Solution

The fourth proportional to 849,632,677.61, 1,172,337,447.65 and 473,279,899.53 is: 653,039,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,632,677.61 : 1,172,337,447.65 = 473,279,899.53 : x
  2. Step 2: Convert to fraction form
    849,632,677.61/1,172,337,447.65 = 473,279,899.53/x
  3. Step 3: Cross multiply
    849,632,677.61x = 1,172,337,447.65 × 473,279,899.53
  4. Step 4: Simplify right side
    849,632,677.61x = 554,843,749,436,682,176
  5. Step 5: Solve for x
    x = 554,843,749,436,682,176/849,632,677.61
  6. Step 6: Final answer
    x = 653,039,559.40

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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.