Home / 916,656,614.64-1,265,016,683.52-514,841,173.38

Finding the Fourth Proportional to 916,656,614.64, 1,265,016,683.52 and 514,841,173.38

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Solution

The fourth proportional to 916,656,614.64, 1,265,016,683.52 and 514,841,173.38 is: 710,497,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,656,614.64 : 1,265,016,683.52 = 514,841,173.38 : x
  2. Step 2: Convert to fraction form
    916,656,614.64/1,265,016,683.52 = 514,841,173.38/x
  3. Step 3: Cross multiply
    916,656,614.64x = 1,265,016,683.52 × 514,841,173.38
  4. Step 4: Simplify right side
    916,656,614.64x = 651,282,673,688,712,832
  5. Step 5: Solve for x
    x = 651,282,673,688,712,832/916,656,614.64
  6. Step 6: Final answer
    x = 710,497,980.69

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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.