Home / 989,604,921.90-1,483,687,672.02-464,703,547.32

Finding the Fourth Proportional to 989,604,921.90, 1,483,687,672.02 and 464,703,547.32

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Solution

The fourth proportional to 989,604,921.90, 1,483,687,672.02 and 464,703,547.32 is: 696,717,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,604,921.90 : 1,483,687,672.02 = 464,703,547.32 : x
  2. Step 2: Convert to fraction form
    989,604,921.90/1,483,687,672.02 = 464,703,547.32/x
  3. Step 3: Cross multiply
    989,604,921.90x = 1,483,687,672.02 × 464,703,547.32
  4. Step 4: Simplify right side
    989,604,921.90x = 689,474,924,302,646,656
  5. Step 5: Solve for x
    x = 689,474,924,302,646,656/989,604,921.90
  6. Step 6: Final answer
    x = 696,717,355.63

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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.