Home / 458,967,437.49-688,654,459.80-240,565,875.51

Finding the Fourth Proportional to 458,967,437.49, 688,654,459.80 and 240,565,875.51

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Solution

The fourth proportional to 458,967,437.49, 688,654,459.80 and 240,565,875.51 is: 360,955,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,967,437.49 : 688,654,459.80 = 240,565,875.51 : x
  2. Step 2: Convert to fraction form
    458,967,437.49/688,654,459.80 = 240,565,875.51/x
  3. Step 3: Cross multiply
    458,967,437.49x = 688,654,459.80 × 240,565,875.51
  4. Step 4: Simplify right side
    458,967,437.49x = 165,666,763,045,653,088
  5. Step 5: Solve for x
    x = 165,666,763,045,653,088/458,967,437.49
  6. Step 6: Final answer
    x = 360,955,373.98

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1.5x scale

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.