Home / 1,358,948,461.02-1,875,319,472.44-786,755,639.76

Finding the Fourth Proportional to 1,358,948,461.02, 1,875,319,472.44 and 786,755,639.76

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Solution

The fourth proportional to 1,358,948,461.02, 1,875,319,472.44 and 786,755,639.76 is: 1,085,705,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,948,461.02 : 1,875,319,472.44 = 786,755,639.76 : x
  2. Step 2: Convert to fraction form
    1,358,948,461.02/1,875,319,472.44 = 786,755,639.76/x
  3. Step 3: Cross multiply
    1,358,948,461.02x = 1,875,319,472.44 × 786,755,639.76
  4. Step 4: Simplify right side
    1,358,948,461.02x = 1,475,418,171,293,917,952
  5. Step 5: Solve for x
    x = 1,475,418,171,293,917,952/1,358,948,461.02
  6. Step 6: Final answer
    x = 1,085,705,759.72

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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.