Home / 914,213,603.55-1,261,572,547.69-517,739,430.27

Finding the Fourth Proportional to 914,213,603.55, 1,261,572,547.69 and 517,739,430.27

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Solution

The fourth proportional to 914,213,603.55, 1,261,572,547.69 and 517,739,430.27 is: 714,456,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,213,603.55 : 1,261,572,547.69 = 517,739,430.27 : x
  2. Step 2: Convert to fraction form
    914,213,603.55/1,261,572,547.69 = 517,739,430.27/x
  3. Step 3: Cross multiply
    914,213,603.55x = 1,261,572,547.69 × 517,739,430.27
  4. Step 4: Simplify right side
    914,213,603.55x = 653,165,852,085,293,056
  5. Step 5: Solve for x
    x = 653,165,852,085,293,056/914,213,603.55
  6. Step 6: Final answer
    x = 714,456,500.70

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Double scale
Find fourth proportional to 914,213,604.55, 1,261,572,549.07 and 517,739,431.27
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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.