Home / 581,190,300.47-871,788,661.47-144,490,985.16

Finding the Fourth Proportional to 581,190,300.47, 871,788,661.47 and 144,490,985.16

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Solution

The fourth proportional to 581,190,300.47, 871,788,661.47 and 144,490,985.16 is: 216,737,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,190,300.47 : 871,788,661.47 = 144,490,985.16 : x
  2. Step 2: Convert to fraction form
    581,190,300.47/871,788,661.47 = 144,490,985.16/x
  3. Step 3: Cross multiply
    581,190,300.47x = 871,788,661.47 × 144,490,985.16
  4. Step 4: Simplify right side
    581,190,300.47x = 125,965,602,547,118,032
  5. Step 5: Solve for x
    x = 125,965,602,547,118,032/581,190,300.47
  6. Step 6: Final answer
    x = 216,737,275.98

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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.