Home / 1,435,428,045.90-2,153,142,068.85-782,393,345.10

Finding the Fourth Proportional to 1,435,428,045.90, 2,153,142,068.85 and 782,393,345.10

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Solution

The fourth proportional to 1,435,428,045.90, 2,153,142,068.85 and 782,393,345.10 is: 1,173,590,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,428,045.90 : 2,153,142,068.85 = 782,393,345.10 : x
  2. Step 2: Convert to fraction form
    1,435,428,045.90/2,153,142,068.85 = 782,393,345.10/x
  3. Step 3: Cross multiply
    1,435,428,045.90x = 2,153,142,068.85 × 782,393,345.10
  4. Step 4: Simplify right side
    1,435,428,045.90x = 1,684,604,025,723,086,080
  5. Step 5: Solve for x
    x = 1,684,604,025,723,086,080/1,435,428,045.90
  6. Step 6: Final answer
    x = 1,173,590,017.65

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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.