Home / 917,844,483.36-1,266,618,374.64-500,155,476.96

Finding the Fourth Proportional to 917,844,483.36, 1,266,618,374.64 and 500,155,476.96

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Solution

The fourth proportional to 917,844,483.36, 1,266,618,374.64 and 500,155,476.96 is: 690,210,736.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,844,483.36 : 1,266,618,374.64 = 500,155,476.96 : x
  2. Step 2: Convert to fraction form
    917,844,483.36/1,266,618,374.64 = 500,155,476.96/x
  3. Step 3: Cross multiply
    917,844,483.36x = 1,266,618,374.64 × 500,155,476.96
  4. Step 4: Simplify right side
    917,844,483.36x = 633,506,117,294,369,152
  5. Step 5: Solve for x
    x = 633,506,117,294,369,152/917,844,483.36
  6. Step 6: Final answer
    x = 690,210,736.98

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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.