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Finding the Fourth Proportional to 670,412,793.83, 924,645,540.51 and 435,539,130.57

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Solution

The fourth proportional to 670,412,793.83, 924,645,540.51 and 435,539,130.57 is: 600,703,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,412,793.83 : 924,645,540.51 = 435,539,130.57 : x
  2. Step 2: Convert to fraction form
    670,412,793.83/924,645,540.51 = 435,539,130.57/x
  3. Step 3: Cross multiply
    670,412,793.83x = 924,645,540.51 × 435,539,130.57
  4. Step 4: Simplify right side
    670,412,793.83x = 402,719,314,799,153,088
  5. Step 5: Solve for x
    x = 402,719,314,799,153,088/670,412,793.83
  6. Step 6: Final answer
    x = 600,703,504.63

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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.