Home / 1,358,948,457.57-1,875,319,467.69-786,755,636.31

Finding the Fourth Proportional to 1,358,948,457.57, 1,875,319,467.69 and 786,755,636.31

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Solution

The fourth proportional to 1,358,948,457.57, 1,875,319,467.69 and 786,755,636.31 is: 1,085,705,754.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,948,457.57 : 1,875,319,467.69 = 786,755,636.31 : x
  2. Step 2: Convert to fraction form
    1,358,948,457.57/1,875,319,467.69 = 786,755,636.31/x
  3. Step 3: Cross multiply
    1,358,948,457.57x = 1,875,319,467.69 × 786,755,636.31
  4. Step 4: Simplify right side
    1,358,948,457.57x = 1,475,418,161,096,920,064
  5. Step 5: Solve for x
    x = 1,475,418,161,096,920,064/1,358,948,457.57
  6. Step 6: Final answer
    x = 1,085,705,754.97

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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.