Home / 528,754,846.83-729,698,113.40-290,595,709.77

Finding the Fourth Proportional to 528,754,846.83, 729,698,113.40 and 290,595,709.77

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Solution

The fourth proportional to 528,754,846.83, 729,698,113.40 and 290,595,709.77 is: 401,031,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,754,846.83 : 729,698,113.40 = 290,595,709.77 : x
  2. Step 2: Convert to fraction form
    528,754,846.83/729,698,113.40 = 290,595,709.77/x
  3. Step 3: Cross multiply
    528,754,846.83x = 729,698,113.40 × 290,595,709.77
  4. Step 4: Simplify right side
    528,754,846.83x = 212,047,141,179,849,952
  5. Step 5: Solve for x
    x = 212,047,141,179,849,952/528,754,846.83
  6. Step 6: Final answer
    x = 401,031,106.29

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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.