Home / 1,113,875,732.88-1,537,160,746.08-612,084,645.36

Finding the Fourth Proportional to 1,113,875,732.88, 1,537,160,746.08 and 612,084,645.36

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Solution

The fourth proportional to 1,113,875,732.88, 1,537,160,746.08 and 612,084,645.36 is: 844,683,533.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,875,732.88 : 1,537,160,746.08 = 612,084,645.36 : x
  2. Step 2: Convert to fraction form
    1,113,875,732.88/1,537,160,746.08 = 612,084,645.36/x
  3. Step 3: Cross multiply
    1,113,875,732.88x = 1,537,160,746.08 × 612,084,645.36
  4. Step 4: Simplify right side
    1,113,875,732.88x = 940,872,490,125,689,728
  5. Step 5: Solve for x
    x = 940,872,490,125,689,728/1,113,875,732.88
  6. Step 6: Final answer
    x = 844,683,533.68

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1.5x scale

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.