Home / 489,931,430.10-734,897,145.15-432,535,802.10

Finding the Fourth Proportional to 489,931,430.10, 734,897,145.15 and 432,535,802.10

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Solution

The fourth proportional to 489,931,430.10, 734,897,145.15 and 432,535,802.10 is: 648,803,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,931,430.10 : 734,897,145.15 = 432,535,802.10 : x
  2. Step 2: Convert to fraction form
    489,931,430.10/734,897,145.15 = 432,535,802.10/x
  3. Step 3: Cross multiply
    489,931,430.10x = 734,897,145.15 × 432,535,802.10
  4. Step 4: Simplify right side
    489,931,430.10x = 317,869,326,138,455,360
  5. Step 5: Solve for x
    x = 317,869,326,138,455,360/489,931,430.10
  6. Step 6: Final answer
    x = 648,803,703.15

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Double scale
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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.