Home / 1,019,343,411.31-1,405,896,992.65-662,226,250.47

Finding the Fourth Proportional to 1,019,343,411.31, 1,405,896,992.65 and 662,226,250.47

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Solution

The fourth proportional to 1,019,343,411.31, 1,405,896,992.65 and 662,226,250.47 is: 913,354,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,343,411.31 : 1,405,896,992.65 = 662,226,250.47 : x
  2. Step 2: Convert to fraction form
    1,019,343,411.31/1,405,896,992.65 = 662,226,250.47/x
  3. Step 3: Cross multiply
    1,019,343,411.31x = 1,405,896,992.65 × 662,226,250.47
  4. Step 4: Simplify right side
    1,019,343,411.31x = 931,021,893,989,444,224
  5. Step 5: Solve for x
    x = 931,021,893,989,444,224/1,019,343,411.31
  6. Step 6: Final answer
    x = 913,354,502.18

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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.