Home / 1,262,032,756.58-1,893,087,700.56-432,974,769.63

Finding the Fourth Proportional to 1,262,032,756.58, 1,893,087,700.56 and 432,974,769.63

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Solution

The fourth proportional to 1,262,032,756.58, 1,893,087,700.56 and 432,974,769.63 is: 649,475,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,032,756.58 : 1,893,087,700.56 = 432,974,769.63 : x
  2. Step 2: Convert to fraction form
    1,262,032,756.58/1,893,087,700.56 = 432,974,769.63/x
  3. Step 3: Cross multiply
    1,262,032,756.58x = 1,893,087,700.56 × 432,974,769.63
  4. Step 4: Simplify right side
    1,262,032,756.58x = 819,659,211,039,352,448
  5. Step 5: Solve for x
    x = 819,659,211,039,352,448/1,262,032,756.58
  6. Step 6: Final answer
    x = 649,475,385.46

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Half scale
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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.