Home / 1,124,799,656.60-1,687,199,484.90-397,788,368.60

Finding the Fourth Proportional to 1,124,799,656.60, 1,687,199,484.90 and 397,788,368.60

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Solution

The fourth proportional to 1,124,799,656.60, 1,687,199,484.90 and 397,788,368.60 is: 596,682,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,799,656.60 : 1,687,199,484.90 = 397,788,368.60 : x
  2. Step 2: Convert to fraction form
    1,124,799,656.60/1,687,199,484.90 = 397,788,368.60/x
  3. Step 3: Cross multiply
    1,124,799,656.60x = 1,687,199,484.90 × 397,788,368.60
  4. Step 4: Simplify right side
    1,124,799,656.60x = 671,148,330,601,131,392
  5. Step 5: Solve for x
    x = 671,148,330,601,131,392/1,124,799,656.60
  6. Step 6: Final answer
    x = 596,682,552.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.