Home / 1,381,050,139.29-1,905,849,956.75-745,970,627.83

Finding the Fourth Proportional to 1,381,050,139.29, 1,905,849,956.75 and 745,970,627.83

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Solution

The fourth proportional to 1,381,050,139.29, 1,905,849,956.75 and 745,970,627.83 is: 1,029,439,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,050,139.29 : 1,905,849,956.75 = 745,970,627.83 : x
  2. Step 2: Convert to fraction form
    1,381,050,139.29/1,905,849,956.75 = 745,970,627.83/x
  3. Step 3: Cross multiply
    1,381,050,139.29x = 1,905,849,956.75 × 745,970,627.83
  4. Step 4: Simplify right side
    1,381,050,139.29x = 1,421,708,088,782,845,952
  5. Step 5: Solve for x
    x = 1,421,708,088,782,845,952/1,381,050,139.29
  6. Step 6: Final answer
    x = 1,029,439,879.37

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Double scale
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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.