Home / 1,917,372,470.40-2,873,516,225.76-984,657,638.88

Finding the Fourth Proportional to 1,917,372,470.40, 2,873,516,225.76 and 984,657,638.88

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Solution

The fourth proportional to 1,917,372,470.40, 2,873,516,225.76 and 984,657,638.88 is: 1,475,680,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,372,470.40 : 2,873,516,225.76 = 984,657,638.88 : x
  2. Step 2: Convert to fraction form
    1,917,372,470.40/2,873,516,225.76 = 984,657,638.88/x
  3. Step 3: Cross multiply
    1,917,372,470.40x = 2,873,516,225.76 × 984,657,638.88
  4. Step 4: Simplify right side
    1,917,372,470.40x = 2,829,429,702,140,210,688
  5. Step 5: Solve for x
    x = 2,829,429,702,140,210,688/1,917,372,470.40
  6. Step 6: Final answer
    x = 1,475,680,779.72

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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.