Home / 1,354,157,689.74-1,868,941,875.06-825,828,152.64

Finding the Fourth Proportional to 1,354,157,689.74, 1,868,941,875.06 and 825,828,152.64

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Solution

The fourth proportional to 1,354,157,689.74, 1,868,941,875.06 and 825,828,152.64 is: 1,139,767,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,157,689.74 : 1,868,941,875.06 = 825,828,152.64 : x
  2. Step 2: Convert to fraction form
    1,354,157,689.74/1,868,941,875.06 = 825,828,152.64/x
  3. Step 3: Cross multiply
    1,354,157,689.74x = 1,868,941,875.06 × 825,828,152.64
  4. Step 4: Simplify right side
    1,354,157,689.74x = 1,543,424,816,072,337,408
  5. Step 5: Solve for x
    x = 1,543,424,816,072,337,408/1,354,157,689.74
  6. Step 6: Final answer
    x = 1,139,767,419.83

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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.