Home / 1,358,948,462.02-1,875,319,473.82-786,755,640.76

Finding the Fourth Proportional to 1,358,948,462.02, 1,875,319,473.82 and 786,755,640.76

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Solution

The fourth proportional to 1,358,948,462.02, 1,875,319,473.82 and 786,755,640.76 is: 1,085,705,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,948,462.02 : 1,875,319,473.82 = 786,755,640.76 : x
  2. Step 2: Convert to fraction form
    1,358,948,462.02/1,875,319,473.82 = 786,755,640.76/x
  3. Step 3: Cross multiply
    1,358,948,462.02x = 1,875,319,473.82 × 786,755,640.76
  4. Step 4: Simplify right side
    1,358,948,462.02x = 1,475,418,174,254,960,128
  5. Step 5: Solve for x
    x = 1,475,418,174,254,960,128/1,358,948,462.02
  6. Step 6: Final answer
    x = 1,085,705,761.10

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Double scale
Find fourth proportional to 1,358,948,463.02, 1,875,319,475.20 and 786,755,641.76
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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.