Home / 283,688,427.41-391,507,574.19-156,528,484.32

Finding the Fourth Proportional to 283,688,427.41, 391,507,574.19 and 156,528,484.32

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Solution

The fourth proportional to 283,688,427.41, 391,507,574.19 and 156,528,484.32 is: 216,018,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,688,427.41 : 391,507,574.19 = 156,528,484.32 : x
  2. Step 2: Convert to fraction form
    283,688,427.41/391,507,574.19 = 156,528,484.32/x
  3. Step 3: Cross multiply
    283,688,427.41x = 391,507,574.19 × 156,528,484.32
  4. Step 4: Simplify right side
    283,688,427.41x = 61,282,087,189,526,208
  5. Step 5: Solve for x
    x = 61,282,087,189,526,208/283,688,427.41
  6. Step 6: Final answer
    x = 216,018,988.68

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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.