Home / 1,738,208,470.40-2,607,312,705.60-921,915,094.40

Finding the Fourth Proportional to 1,738,208,470.40, 2,607,312,705.60 and 921,915,094.40

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Solution

The fourth proportional to 1,738,208,470.40, 2,607,312,705.60 and 921,915,094.40 is: 1,382,872,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,208,470.40 : 2,607,312,705.60 = 921,915,094.40 : x
  2. Step 2: Convert to fraction form
    1,738,208,470.40/2,607,312,705.60 = 921,915,094.40/x
  3. Step 3: Cross multiply
    1,738,208,470.40x = 2,607,312,705.60 × 921,915,094.40
  4. Step 4: Simplify right side
    1,738,208,470.40x = 2,403,720,939,113,543,168
  5. Step 5: Solve for x
    x = 2,403,720,939,113,543,168/1,738,208,470.40
  6. Step 6: Final answer
    x = 1,382,872,641.60

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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.