Home / 869,264,547.40-1,303,959,806.70-523,473,603.40

Finding the Fourth Proportional to 869,264,547.40, 1,303,959,806.70 and 523,473,603.40

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Solution

The fourth proportional to 869,264,547.40, 1,303,959,806.70 and 523,473,603.40 is: 785,248,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,264,547.40 : 1,303,959,806.70 = 523,473,603.40 : x
  2. Step 2: Convert to fraction form
    869,264,547.40/1,303,959,806.70 = 523,473,603.40/x
  3. Step 3: Cross multiply
    869,264,547.40x = 1,303,959,806.70 × 523,473,603.40
  4. Step 4: Simplify right side
    869,264,547.40x = 682,588,538,702,016,512
  5. Step 5: Solve for x
    x = 682,588,538,702,016,512/869,264,547.40
  6. Step 6: Final answer
    x = 785,248,335.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.