Home / 1,666,579,319.19-2,499,877,332.79-423,010,152.87

Finding the Fourth Proportional to 1,666,579,319.19, 2,499,877,332.79 and 423,010,152.87

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Solution

The fourth proportional to 1,666,579,319.19, 2,499,877,332.79 and 423,010,152.87 is: 634,517,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,579,319.19 : 2,499,877,332.79 = 423,010,152.87 : x
  2. Step 2: Convert to fraction form
    1,666,579,319.19/2,499,877,332.79 = 423,010,152.87/x
  3. Step 3: Cross multiply
    1,666,579,319.19x = 2,499,877,332.79 × 423,010,152.87
  4. Step 4: Simplify right side
    1,666,579,319.19x = 1,057,473,492,689,313,664
  5. Step 5: Solve for x
    x = 1,057,473,492,689,313,664/1,666,579,319.19
  6. Step 6: Final answer
    x = 634,517,349.71

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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.