Home / 913,515,477.14-1,260,435,268.08-517,038,466.82

Finding the Fourth Proportional to 913,515,477.14, 1,260,435,268.08 and 517,038,466.82

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Solution

The fourth proportional to 913,515,477.14, 1,260,435,268.08 and 517,038,466.82 is: 713,390,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,515,477.14 : 1,260,435,268.08 = 517,038,466.82 : x
  2. Step 2: Convert to fraction form
    913,515,477.14/1,260,435,268.08 = 517,038,466.82/x
  3. Step 3: Cross multiply
    913,515,477.14x = 1,260,435,268.08 × 517,038,466.82
  4. Step 4: Simplify right side
    913,515,477.14x = 651,693,518,533,938,816
  5. Step 5: Solve for x
    x = 651,693,518,533,938,816/913,515,477.14
  6. Step 6: Final answer
    x = 713,390,779.73

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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.