Home / 1,287,177,050.40-1,931,773,345.20-597,169,802.40

Finding the Fourth Proportional to 1,287,177,050.40, 1,931,773,345.20 and 597,169,802.40

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Solution

The fourth proportional to 1,287,177,050.40, 1,931,773,345.20 and 597,169,802.40 is: 896,222,245.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,177,050.40 : 1,931,773,345.20 = 597,169,802.40 : x
  2. Step 2: Convert to fraction form
    1,287,177,050.40/1,931,773,345.20 = 597,169,802.40/x
  3. Step 3: Cross multiply
    1,287,177,050.40x = 1,931,773,345.20 × 597,169,802.40
  4. Step 4: Simplify right side
    1,287,177,050.40x = 1,153,596,706,834,670,848
  5. Step 5: Solve for x
    x = 1,153,596,706,834,670,848/1,287,177,050.40
  6. Step 6: Final answer
    x = 896,222,245.79

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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.