Home / 1,124,799,665.60-1,687,199,498.40-397,788,377.60

Finding the Fourth Proportional to 1,124,799,665.60, 1,687,199,498.40 and 397,788,377.60

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Solution

The fourth proportional to 1,124,799,665.60, 1,687,199,498.40 and 397,788,377.60 is: 596,682,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,799,665.60 : 1,687,199,498.40 = 397,788,377.60 : x
  2. Step 2: Convert to fraction form
    1,124,799,665.60/1,687,199,498.40 = 397,788,377.60/x
  3. Step 3: Cross multiply
    1,124,799,665.60x = 1,687,199,498.40 × 397,788,377.60
  4. Step 4: Simplify right side
    1,124,799,665.60x = 671,148,351,156,069,888
  5. Step 5: Solve for x
    x = 671,148,351,156,069,888/1,124,799,665.60
  6. Step 6: Final answer
    x = 596,682,566.40

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Double scale
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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.