Home / 459,798,038.40-689,886,014.40-168,804,566.40

Finding the Fourth Proportional to 459,798,038.40, 689,886,014.40 and 168,804,566.40

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Solution

The fourth proportional to 459,798,038.40, 689,886,014.40 and 168,804,566.40 is: 253,276,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,798,038.40 : 689,886,014.40 = 168,804,566.40 : x
  2. Step 2: Convert to fraction form
    459,798,038.40/689,886,014.40 = 168,804,566.40/x
  3. Step 3: Cross multiply
    459,798,038.40x = 689,886,014.40 × 168,804,566.40
  4. Step 4: Simplify right side
    459,798,038.40x = 116,455,909,526,216,160
  5. Step 5: Solve for x
    x = 116,455,909,526,216,160/459,798,038.40
  6. Step 6: Final answer
    x = 253,276,220.86

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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.