Home / 908,252,842.46-1,362,695,430.98-286,564,062.74

Finding the Fourth Proportional to 908,252,842.46, 1,362,695,430.98 and 286,564,062.74

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Solution

The fourth proportional to 908,252,842.46, 1,362,695,430.98 and 286,564,062.74 is: 429,945,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,252,842.46 : 1,362,695,430.98 = 286,564,062.74 : x
  2. Step 2: Convert to fraction form
    908,252,842.46/1,362,695,430.98 = 286,564,062.74/x
  3. Step 3: Cross multiply
    908,252,842.46x = 1,362,695,430.98 × 286,564,062.74
  4. Step 4: Simplify right side
    908,252,842.46x = 390,499,538,972,767,040
  5. Step 5: Solve for x
    x = 390,499,538,972,767,040/908,252,842.46
  6. Step 6: Final answer
    x = 429,945,848.47

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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.