Home / 448,348,116.72-618,706,363.32-262,832,689.20

Finding the Fourth Proportional to 448,348,116.72, 618,706,363.32 and 262,832,689.20

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Solution

The fourth proportional to 448,348,116.72, 618,706,363.32 and 262,832,689.20 is: 362,700,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,348,116.72 : 618,706,363.32 = 262,832,689.20 : x
  2. Step 2: Convert to fraction form
    448,348,116.72/618,706,363.32 = 262,832,689.20/x
  3. Step 3: Cross multiply
    448,348,116.72x = 618,706,363.32 × 262,832,689.20
  4. Step 4: Simplify right side
    448,348,116.72x = 162,616,257,296,547,840
  5. Step 5: Solve for x
    x = 162,616,257,296,547,840/448,348,116.72
  6. Step 6: Final answer
    x = 362,700,881.82

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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.