Home / 1,287,724,900.08-1,777,445,727.20-752,021,068.80

Finding the Fourth Proportional to 1,287,724,900.08, 1,777,445,727.20 and 752,021,068.80

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Solution

The fourth proportional to 1,287,724,900.08, 1,777,445,727.20 and 752,021,068.80 is: 1,038,014,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,724,900.08 : 1,777,445,727.20 = 752,021,068.80 : x
  2. Step 2: Convert to fraction form
    1,287,724,900.08/1,777,445,727.20 = 752,021,068.80/x
  3. Step 3: Cross multiply
    1,287,724,900.08x = 1,777,445,727.20 × 752,021,068.80
  4. Step 4: Simplify right side
    1,287,724,900.08x = 1,336,676,635,502,937,088
  5. Step 5: Solve for x
    x = 1,336,676,635,502,937,088/1,287,724,900.08
  6. Step 6: Final answer
    x = 1,038,014,125.08

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1.5x scale

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.